# Llista d'estrelles del Serpent

La d'estrelles del Serpent pretén recollir de forma sintètica i mostrant algunes poques de les seves principals característiques de les estrelles notables de la constel·lació del Serpent, ordenades, a priori, per ordre decreixent de brillantor.
| Nom | B | F | HD | HIP | RA | Dec | mag. ap. | mag. abs. | Dist. (al) | Tipus sp. | Notes |
| Unukalhai Alpha Serpentis (α Ser) | α | 24 | 140573 | 77070 | 15$^h$ 44$^m$ 16.00$^s$ | +06° 25′ 31.9″ | 2.63 | 0.87 | 73 | K2III | |
| η Ser | η | 58 | 168723 | 89962 | 18$^h$ 21$^m$ 18.92$^s$ | −02° 53′ 49.6″ | 3.23 | 1.84 | 62 | K0III-IV | |
| μ Ser | μ | 32 | 141513 | 77516 | 15$^h$ 49$^m$ 37.27$^s$ | −03° 25′ 48.5″ | 3.54 | 0.14 | 156 | A0V | |
| ξ Ser | ξ | 55 | 159876 | 86263 | 17$^h$ 37$^m$ 35.23$^s$ | −15° 23′ 54.3″ | 3.54 | 0.99 | 105 | F0IIIp | |
| β Ser | β | 28 | 141003 | 77233 | 15$^h$ 46$^m$ 11.21$^s$ | +15° 25′ 18.9″ | 3.65 | 0.29 | 153 | A3V | |
| ε Ser | ε | 37 | 141795 | 77622 | 15$^h$ 50$^m$ 48.89$^s$ | +04° 28′ 39.3″ | 3.71 | 2.04 | 70 | A2m | |
| δ Ser A | δ | 13 | 138917 | 76276 | 15$^h$ 34$^m$ 48.19$^s$ | +10° 32′ 19.9″ | 3.80 | −0.24 | 210 | F0IV | estrella quàdruple; variable Delta Scuti |
| δ Ser B | δ | 13 | 138918 | | 15$^h$ 34$^m$ 48.10$^s$ | +10° 32′ 21.0″ | 3.80 | | | | component del sistema δ Ser |
| γ Ser | γ | 41 | 142860 | 78072 | 15$^h$ 56$^m$ 26.99$^s$ | +15° 39′ 53.0″ | 3.85 | 3.62 | 36 | F6V | |
| κ Ser | κ | 35 | 141477 | 77450 | 15$^h$ 48$^m$ 44.41$^s$ | +18° 08′ 30.4″ | 4.09 | −1.05 | 348 | M1III | |
| ο Ser | ο | 56 | 160613 | 86565 | 17$^h$ 41$^m$ 24.92$^s$ | −12° 52′ 30.6″ | 4.24 | 0.68 | 168 | A2Va | estrella variable del tipus Delta Scuti |
| ν Ser | ν | 53 | 156928 | 84880 | 17$^h$ 20$^m$ 49.64$^s$ | −12° 50′ 48.8″ | 4.32 | 0.45 | 193 | A0/A1V | |
| λ Ser | λ | 27 | 141004 | 77257 | 15$^h$ 46$^m$ 26.75$^s$ | +07° 21′ 11.7″ | 4.42 | 4.07 | 38 | G0Vvar | |
| ι Ser | ι | 21 | 140159 | 76852 | 15$^h$ 41$^m$ 33.09$^s$ | +19° 40′ 13.8″ | 4.51 | 0.66 | 192 | A1V | |
| ζ Ser | ζ | 57 | 164259 | 88175 | 18$^h$ 00$^m$ 28.92$^s$ | −03° 41′ 24.6″ | 4.62 | 2.79 | 76 | F3V | |
| θ¹ Ser | θ¹ | 63 | 175638 | 92946 | 18$^h$ 56$^m$ 13.16$^s$ | +04° 12′ 12.7″ | 4.62 | 1.59 | 132 | A5V | |
| ρ Ser | ρ | 38 | 141992 | 77661 | 15$^h$ 51$^m$ 15.94$^s$ | +20° 58′ 40.4″ | 4.74 | −0.68 | 395 | K5III | |
| π Ser | π | 44 | 143894 | 78554 | 16$^h$ 02$^m$ 17.69$^s$ | +22° 48′ 15.8″ | 4.82 | 1.15 | 177 | A3V | |
| σ Ser | σ | 50 | 147449 | 80179 | 16$^h$ 22$^m$ 04.44$^s$ | +01° 01′ 44.1″ | 4.82 | 2.64 | 89 | F0V | |
| θ² Ser | θ² | 63 | 175639 | 92951 | 18$^h$ 56$^m$ 14.61$^s$ | +04° 12′ 07.4″ | 4.98 | 1.77 | 143 | A5Vn | |
| 5 Ser | | 5 | 136202 | 74975 | 15$^h$ 19$^m$ 18.58$^s$ | +01° 46′ 00.0″ | 5.04 | 3.08 | 81 | F8III-IV | |
| b Ser | b | 36 | 141851 | 77660 | 15$^h$ 51$^m$ 15.65$^s$ | −03° 05′ 25.5″ | 5.09 | 1.65 | 159 | A3Vn | |
| 10 Ser | | 10 | 137898 | 75761 | 15$^h$ 28$^m$ 38.29$^s$ | +01° 50′ 31.8″ | 5.15 | 2.28 | 122 | A8IV | |
| τ¹ Ser | τ¹ | 9 | 137471 | 75530 | 15$^h$ 25$^m$ 47.41$^s$ | +15° 25′ 41.0″ | 5.16 | −2.09 | 918 | M1III | |
| R Ser | | | 141850 | | 15$^h$ 50$^m$ 41.70$^s$ | +15° 08′ 01.0″ | 5.20 | | | | |
| d Ser | d | 59 | 169986 | | 18$^h$ 27$^m$ 12.20$^s$ | +00° 11′ 48.0″ | 5.20 | | | | |
| d Ser | d | 59 | 169985 | 90441 | 18$^h$ 27$^m$ 12.51$^s$ | +00° 11′ 46.1″ | 5.20 | −0.63 | 479 | G0III+... | |
| ω Ser | ω | 34 | 141680 | 77578 | 15$^h$ 50$^m$ 17.53$^s$ | +02° 11′ 47.8″ | 5.21 | 0.68 | 263 | G8III | |
| 16 Ser | | 16 | 139195 | 76425 | 15$^h$ 36$^m$ 29.55$^s$ | +10° 00′ 37.6″ | 5.26 | 0.97 | 235 | K0p | |
| 3 Ser | | 3 | 135482 | 74649 | 15$^h$ 15$^m$ 11.37$^s$ | +04° 56′ 21.7″ | 5.32 | −0.46 | 467 | K0III | |
| χ Ser | χ | 20 | 140160 | 76866 | 15$^h$ 41$^m$ 47.39$^s$ | +12° 50′ 51.1″ | 5.34 | 1.11 | 228 | A0p Sr | estrella variable del tipus α² CVn |
| 6 Ser | | 6 | 136514 | 75119 | 15$^h$ 21$^m$ 02.02$^s$ | +00° 42′ 56.1″ | 5.35 | 0.98 | 244 | K3III | |
| c Ser | c | 60 | 170474 | 90642 | 18$^h$ 29$^m$ 40.96$^s$ | −01° 59′ 06.8″ | 5.38 | 1.08 | 236 | K0III | |
| A² Ser | A² | 25 | 140873 | 77227 | 15$^h$ 46$^m$ 05.65$^s$ | −01° 48′ 14.8″ | 5.39 | −0.10 | 408 | B8III | |
| | | | 145206 | 79195 | 16$^h$ 09$^m$ 50.53$^s$ | −03° 28′ 00.2″ | 5.39 | −0.51 | 494 | K4III | |
| | | | 168415 | 89851 | 18$^h$ 20$^m$ 08.77$^s$ | −15° 49′ 53.8″ | 5.39 | −0.41 | 470 | K3III | |
| | | | 142574 | 77902 | 15$^h$ 54$^m$ 34.66$^s$ | +20° 18′ 39.1″ | 5.45 | −0.88 | 601 | M0III | |
| A¹ Ser | A¹ | 11 | 138562 | 76133 | 15$^h$ 32$^m$ 57.95$^s$ | −01° 11′ 10.7″ | 5.50 | 0.91 | 270 | K0III | |
| φ Ser | φ | | 142980 | 78132 | 15$^h$ 57$^m$ 14.64$^s$ | +14° 24′ 51.4″ | 5.54 | 1.33 | 227 | K1IV | |
| | | | 159358 | 86019 | 17$^h$ 34$^m$ 46.35$^s$ | −11° 14′ 31.2″ | 5.54 | 0.23 | 377 | B8Vn | |
| 64 Ser | | 64 | 175869 | 93051 | 18$^h$ 57$^m$ 16.59$^s$ | +02° 32′ 07.4″ | 5.56 | −2.08 | 1101 | B9IIIp... | |
| | | | 140775 | 77163 | 15$^h$ 45$^m$ 23.47$^s$ | +05° 26′ 50.4″ | 5.57 | 0.21 | 384 | A1V | |
| 4 Ser | | 4 | 135559 | 74689 | 15$^h$ 15$^m$ 49.14$^s$ | +00° 22′ 19.6″ | 5.62 | 2.15 | 161 | A4V | |
| 45 Ser | | 45 | 144874 | 79007 | 16$^h$ 07$^m$ 37.55$^s$ | +09° 53′ 30.3″ | 5.63 | 1.05 | 269 | A7V | |
| | | | 136138 | 74896 | 15$^h$ 18$^m$ 24.51$^s$ | +20° 34′ 22.1″ | 5.68 | 0.93 | 290 | G5IV | |
| 47 Ser | | 47 | 145002 | 79072 | 16$^h$ 08$^m$ 28.08$^s$ | +08° 32′ 03.6″ | 5.69 | −0.52 | 568 | M3.5IIIa | |
| υ Ser | υ | 31 | 141187 | 77336 | 15$^h$ 47$^m$ 17.35$^s$ | +14° 06′ 55.0″ | 5.71 | 1.27 | 252 | A3V | |
| | | | 170200 | 90497 | 18$^h$ 27$^m$ 58.77$^s$ | +06° 11′ 39.0″ | 5.71 | −1.07 | 739 | B8III-IV | |
| | | | 160018 | 86313 | 17$^h$ 38$^m$ 09.51$^s$ | −10° 55′ 34.5″ | 5.74 | 0.16 | 425 | K0III | |
| | | | 165438 | 88684 | 18$^h$ 06$^m$ 15.11$^s$ | −04° 45′ 04.2″ | 5.74 | 3.02 | 114 | K1IV | |
| e Ser | e | | 171978 | 91322 | 18$^h$ 37$^m$ 35.95$^s$ | −00° 18′ 33.9″ | 5.76 | −0.72 | 644 | A2V | |
| τ$^7$ Ser | τ$^7$ | 22 | 140232 | 76878 | 15$^h$ 41$^m$ 54.76$^s$ | +18° 27′ 50.0″ | 5.80 | 2.17 | 174 | A2m | |
| | | | 143553 | 78442 | 16$^h$ 00$^m$ 51.16$^s$ | +04° 25′ 37.8″ | 5.82 | 1.49 | 239 | K0III: | |
| | | | 173495 | 92027 | 18$^h$ 45$^m$ 28.36$^s$ | +05° 30′ 00.4″ | 5.82 | −0.87 | 709 | A1V | |
| | | | 165402 | 88670 | 18$^h$ 06$^m$ 07.40$^s$ | −08° 19′ 26.1″ | 5.84 | −0.37 | 570 | B8III-IV | |
| ψ Ser | ψ | 23 | 140538 | 77052 | 15$^h$ 44$^m$ 01.85$^s$ | +02° 30′ 55.9″ | 5.86 | 5.03 | 48 | G5V | |
| | | | 136028 | 74901 | 15$^h$ 18$^m$ 26.13$^s$ | −00° 27′ 40.5″ | 5.88 | −1.51 | 979 | K5III | |
| | | | 134943 | 74386 | 15$^h$ 12$^m$ 04.27$^s$ | +18° 58′ 33.6″ | 5.90 | −1.13 | 830 | M4III | |
| τ⁵ Ser | τ⁵ | 18 | 139225 | 76424 | 15$^h$ 36$^m$ 29.20$^s$ | +16° 07′ 08.8″ | 5.93 | 2.48 | 160 | F3V | |
| | | | 145085 | 79120 | 16$^h$ 08$^m$ 58.90$^s$ | +03° 27′ 16.0″ | 5.93 | 0.33 | 430 | K5III | |
| | | | 145148 | 79137 | 16$^h$ 09$^m$ 11.06$^s$ | +06° 22′ 49.8″ | 5.93 | 3.51 | 99 | K1+... | |
| | | | 161701 | 87074 | 17$^h$ 47$^m$ 36.79$^s$ | −14° 43′ 32.8″ | 5.93 | −0.04 | 510 | B9V | |
| | | | 163336 | 87813 | 17$^h$ 56$^m$ 19.04$^s$ | −15° 48′ 44.5″ | 5.93 | 1.52 | 249 | A0V | |
| 61 Ser | | 61 | 170920 | 90844 | 18$^h$ 31$^m$ 56.99$^s$ | −01° 00′ 10.7″ | 5.93 | −0.28 | 570 | A4III | |
| | | | 159877 | 86266 | 17$^h$ 37$^m$ 36.20$^s$ | −15° 34′ 15.7″ | 5.94 | −3.63 | 2672 | F0IV | |
| | | | 141353 | 77412 | 15$^h$ 48$^m$ 13.31$^s$ | +13° 47′ 21.6″ | 5.98 | 0.33 | 440 | K2III | |
| | | | 167768 | 89587 | 18$^h$ 16$^m$ 53.09$^s$ | −03° 00′ 24.3″ | 5.99 | 0.97 | 329 | G3III | |
| τ⁶ Ser | τ⁶ | 19 | 140027 | 76810 | 15$^h$ 40$^m$ 59.09$^s$ | +16° 01′ 28.7″ | 6.00 | 0.30 | 450 | G8III | |
| | | | 137853 | 75674 | 15$^h$ 27$^m$ 38.87$^s$ | +25° 06′ 06.0″ | 6.01 | −0.90 | 786 | M1III | |
| | | | 139087 | 76372 | 15$^h$ 35$^m$ 53.39$^s$ | +11° 15′ 56.5″ | 6.04 | −0.64 | 706 | K0III: | |
| 39 Ser | | 39 | 142267 | 77801 | 15$^h$ 53$^m$ 12.19$^s$ | +13° 11′ 52.8″ | 6.07 | 4.86 | 57 | G0IV | |
| 43 Ser | | 43 | 144046 | 78685 | 16$^h$ 03$^m$ 45.71$^s$ | +04° 59′ 12.5″ | 6.07 | 0.68 | 389 | G9III | |
| τ$^3$ Ser | τ$^3$ | 15 | 139074 | 76337 | 15$^h$ 35$^m$ 33.28$^s$ | +17° 39′ 20.1″ | 6.10 | 0.58 | 414 | G8III: | |
| 8 Ser | | 8 | 137006 | 75342 | 15$^h$ 23$^m$ 43.67$^s$ | −01° 01′ 20.3″ | 6.11 | 2.41 | 179 | F0V | |
| | | | 168797 | 89977 | 18$^h$ 21$^m$ 28.40$^s$ | +05° 26′ 08.7″ | 6.14 | −3.93 | 3361 | B3Ve | |
| | | | 175679 | 92968 | 18$^h$ 56$^m$ 25.60$^s$ | +02° 28′ 16.3″ | 6.14 | 0.11 | 523 | G8III | |
| τ$^8$ Ser | τ$^8$ | 26 | 140729 | 77111 | 15$^h$ 44$^m$ 42.15$^s$ | +17° 15′ 51.2″ | 6.15 | 1.18 | 321 | A0V | |
| | | | 144889 | 78985 | 16$^h$ 07$^m$ 22.19$^s$ | +21° 49′ 21.8″ | 6.15 | −0.05 | 566 | K4III | |
| | | | 169493 | 90253 | 18$^h$ 24$^m$ 57.21$^s$ | −01° 34′ 45.9″ | 6.15 | 0.54 | 432 | F1V | |
| | | | 162757 | 87540 | 17$^h$ 53$^m$ 03.51$^s$ | −10° 53′ 58.2″ | 6.17 | 1.56 | 273 | K1III: | |
| | | | 157968 | 85397 | 17$^h$ 27$^m$ 02.12$^s$ | −12° 30′ 44.4″ | 6.20 | 2.92 | 148 | F7V | |
| | | | 173954 | 92254 | 18$^h$ 48$^m$ 02.67$^s$ | +04° 14′ 29.0″ | 6.20 | −0.97 | 886 | K5 | |
| | | | 142357 | 77835 | 15$^h$ 53$^m$ 34.86$^s$ | +16° 04′ 30.0″ | 6.21 | 1.48 | 288 | F5II-III | |
| τ² Ser | τ² | 12 | 138527 | 76069 | 15$^h$ 32$^m$ 09.68$^s$ | +16° 03′ 22.1″ | 6.22 | 0.61 | 431 | B9V | |
| | | | 139862 | 76733 | 15$^h$ 40$^m$ 10.36$^s$ | +12° 03′ 10.6″ | 6.22 | −1.34 | 1058 | G8II | |
| | | | 137510 | 75535 | 15$^h$ 25$^m$ 53.30$^s$ | +19° 28′ 50.6″ | 6.26 | 3.16 | 136 | G0V | |
| | | | 142763 | 77995 | 15$^h$ 55$^m$ 39.86$^s$ | +18° 37′ 14.8″ | 6.26 | −2.26 | 1646 | B8III | |
| | | | 144426 | 78840 | 16$^h$ 05$^m$ 37.93$^s$ | +08° 05′ 46.5″ | 6.27 | 0.81 | 402 | A3m | |
| 40 Ser | | 40 | 142500 | 77910 | 15$^h$ 54$^m$ 40.27$^s$ | +08° 34′ 49.2″ | 6.28 | 1.94 | 241 | A7Vn | |
| 7 Ser | | 7 | 136831 | 75230 | 15$^h$ 22$^m$ 23.24$^s$ | +12° 34′ 03.1″ | 6.29 | 0.62 | 445 | A0V | |
| | | | 142244 | 77782 | 15$^h$ 52$^m$ 56.15$^s$ | +17° 24′ 11.4″ | 6.29 | 0.43 | 485 | K0 | |
| | | | 167833 | 89623 | 18$^h$ 17$^m$ 24.16$^s$ | −09° 45′ 30.5″ | 6.29 | 0.69 | 430 | A8V | |
| | | | 135263 | 74505 | 15$^h$ 13$^m$ 31.84$^s$ | +22° 58′ 59.4″ | 6.31 | 1.63 | 282 | A2V | |
| | | | 140815 | 77186 | 15$^h$ 45$^m$ 39.50$^s$ | +00° 53′ 27.8″ | 6.32 | −0.07 | 619 | K0III | |
| | | | 165462 | 88671 | 18$^h$ 06$^m$ 07.44$^s$ | −00° 26′ 46.0″ | 6.32 | 0.36 | 507 | G8IIp | |
| | | | 136442 | 75101 | 15$^h$ 20$^m$ 47.17$^s$ | −02° 24′ 46.5″ | 6.34 | 3.50 | 120 | K0V | |
| | | | 167564 | 89512 | 18$^h$ 15$^m$ 57.93$^s$ | −03° 37′ 04.7″ | 6.35 | 0.55 | 472 | A4V | |
| | | | 136643 | 75125 | 15$^h$ 21$^m$ 06.90$^s$ | +24° 57′ 29.0″ | 6.36 | 0.20 | 555 | K0 | |
| | | | 161023 | 86769 | 17$^h$ 43$^m$ 48.45$^s$ | −13° 30′ 30.3″ | 6.36 | 3.21 | 139 | F0V | |
| | | | 169268 | 90174 | 18$^h$ 24$^m$ 03.60$^s$ | −03° 34′ 58.9″ | 6.36 | 2.25 | 216 | F6III-IV | |
| | | | 172365 | 91499 | 18$^h$ 39$^m$ 36.88$^s$ | +05° 15′ 51.4″ | 6.36 | −1.25 | 1087 | F8Ib-II | |
| | | | 138085 | 75810 | 15$^h$ 29$^m$ 12.14$^s$ | +16° 23′ 43.7″ | 6.38 | 0.45 | 499 | G8III-IV | |
| | | | 166103 | 88981 | 18$^h$ 09$^m$ 43.37$^s$ | −13° 56′ 03.9″ | 6.38 | −0.18 | 669 | K1II | |
| | | | 170973 | 90858 | 18$^h$ 32$^m$ 06.88$^s$ | +03° 39′ 34.5″ | 6.41 | −1.41 | 1194 | A0sp... | |
| | | | 145936 | 79522 | 16$^h$ 13$^m$ 38.63$^s$ | −01° 28′ 30.5″ | 6.45 | 1.46 | 324 | K0 | |
| | | | 156971 | 84883 | 17$^h$ 20$^m$ 52.60$^s$ | −10° 41′ 46.9″ | 6.46 | 3.09 | 154 | F1III+... | |
| | | | 135615 | 74695 | 15$^h$ 15$^m$ 53.57$^s$ | +06° 27′ 53.6″ | 6.47 | −1.38 | 1212 | K0 | |
| | | | 145050 | 79086 | 16$^h$ 08$^m$ 36.53$^s$ | +08° 36′ 47.7″ | 6.47 | 0.69 | 468 | M4III | |
| | | | 171586 | 91142 | 18$^h$ 35$^m$ 36.48$^s$ | +04° 56′ 09.8″ | 6.47 | 1.41 | 335 | A2pvar | |
| | | | 140438 | 76985 | 15$^h$ 43$^m$ 10.54$^s$ | +13° 40′ 03.9″ | 6.48 | 0.05 | 629 | G5III | |
| | | | 157969 | 85405 | 17$^h$ 27$^m$ 09.89$^s$ | −15° 51′ 12.0″ | 6.48 | 0.70 | 466 | K0II/III | |
| | | | 138803 | 76198 | 15$^h$ 33$^m$ 52.74$^s$ | +17° 08′ 14.9″ | 6.49 | 2.50 | 205 | F3III | |
| | | | 172088 | 91394 | 18$^h$ 38$^m$ 23.80$^s$ | −03° 11′ 37.4″ | 6.49 | 3.00 | 163 | F9IV | |
| | | | 135061 | 74441 | 15$^h$ 12$^m$ 47.19$^s$ | +10° 42′ 08.9″ | 6.50 | −0.06 | 669 | K2 | |
| | | | 136027 | 74895 | 15$^h$ 18$^m$ 22.62$^s$ | +00° 56′ 22.0″ | 6.50 | 0.89 | 432 | K0 | |
| | | | 146740 | 79834 | 16$^h$ 17$^m$ 43.37$^s$ | +01° 29′ 48.2″ | 6.50 | 0.18 | 598 | K0 | |
| τ$^4$ Ser | τ$^4$ | 17 | 139216 | 76423 | 15$^h$ 36$^m$ 28.19$^s$ | +15° 06′ 05.0″ | 6.51 | 0.50 | 520 | M5II-III | estrella variable semiregular |
| 14 Ser | | 14 | 139137 | 76427 | 15$^h$ 36$^m$ 33.72$^s$ | −00° 33′ 41.3″ | 6.51 | 0.52 | 514 | G8III+... | |
| 29 Ser | | 29 | 141040 | 77249 | 15$^h$ 46$^m$ 24.02$^s$ | +15° 31′ 36.1″ | 6.70 | −0.19 | 780 | A3 | |
| 46 Ser | | 46 | 144937 | 79047 | 16$^h$ 08$^m$ 05.73$^s$ | +10° 04′ 49.8″ | 6.74 | 1.55 | 355 | A3 | |
| HD 168443 | | | 168443 | | | | 6.92 | | 124 | | té dos planetes |
| HD 136118 | | | 136118 | | | | 6.94 | | 171 | | té un planeta |
| HD 168746 | | | 168746 | | | | 7.95 | | 141 | | té un planeta |
| HD 175541 | | | 175541 | | | | 8.03 | | 417 | | té un planeta |
| Gl 710 | | | 168442 | 89825 | | | 9.66 | | 63 | | en uns 1,4 milions d'anys se situarà a uns 1,1 al |
| GSC 00465-01282 | | | | | 19$^h$ 27$^m$ 06.50$^s$ | +01° 23′ 01.4″ | 12.57 | 5.25 | 930 | K0V | té un planeta (b) |

## Vegeu també

* Llista d'estrelles per constel·lació

## Referències

* ESA. «The Hipparcos and Tycho Catalogues», 1997. Arxivat de l'original el 2006-12-07. [Consulta: 26 desembre 2006].
* Kostjuk, N. D. «HD-DM-GC-HR-HIP-Bayer-Flamsteed Cross Index», 2002. Arxivat de l'original el 2006-11-24. [Consulta: 26 desembre 2006].
* Roman, N. G. «Identification of a Constellation from a Position», 1987. Arxivat de l'original el 2006-11-24. [Consulta: 26 desembre 2006].