NGC 7840
NGC 7840 (NGC: 7840) sī tsi̍t-ê Bô-póng lô-suân sing-hē, khiā-tī siang-hî-tsō lāi-té[1], mā-sī NGC then-thé-pió lāi-té tsú-āu tsi̍t-ê then-thé.
| NGC 7840 | |
|---|---|
 Sloan sòo-kì sûn-then (SDSS) ê NGC 7840 tôo-phìñ | |
| Observation data (J2000 epoch) | |
| Constellation | Siang-hî-chō[1][2] |
| Right ascension | 00h 07m 08.79s[3] |
| Declination | +08° 22′ 59.6″[3] |
| Apparent magnitude (V) | 15[1] |
| Characteristics | |
| Type | S?[1] |
| Apparent size (V) | 0.676′ × 0.457′ |
| Other designations | |
| NGC 7840, PGC 1345780[3] | |
Uì tē-kiû piáu-bīn lâi kuan-tshat, NGC 7840 tē-21 sè-kí khai-sí ū 15.5 Sing-tíng (thian-bûn-ha̍k).[4] Ū tsi̍t-tsióng kuan-tshat tsí-lâm ū-lâi kiàn-gī tsì-tsió ē-tàng sú-iōng 300 mm khóng-kìng ê tiàu-kiañ lâi tsìn-hîng kuan-tshik.[4]
Tsù-kái
siu-kái- ↑ 1.0 1.1 1.2 1.3 Celestial Atlas, "NGC Objects: NGC 7800 - 7840 ", Courtney Seligman, March 2010 (accessed 2010-10-27) (Eng-gí)
- ↑ WikiSky, "NGC 7840" (accessed 2010-10-17) (Eng-gí)
- ↑ 3.0 3.1 3.2 "Search specification: NGC 7840". HyperLeda. Université Claude Bernard Lyon 1. 2021-02-12 khòaⁿ--ê. (Eng-gí)
- ↑ 4.0 4.1 Bakich, Michael E. (2010-07-10). 1,001 Celestial Wonders to See Before You Die: The Best Sky Objects for Star Gazers (ēng Eng-gí). Springer Science & Business Media. ISBN 9781441917775. (Eng-gí)
Tsham-ua̍t
siu-kái- Costa Concordia iû-lûn (Costa Concordia)
- Gōa-chhiat-thé ho̍k-ha̍p-bu̍t (Guā-tshet-thé ho̍k-ha̍p-bu̍t/Exosome complex)
- Si-o-se-pol
- 2015 Gôlôsu Sukhoi Su-24 ke̍k-lo̍h sū-kiāⁿ (2015 Gôlôsu Sukhoi Su-24 ki̍k-lo̍h sū-kiāñ/2015 Russian Sukhoi Su-24 shootdown)
Guā-poo lên-ket
siu-kái
- SIMBAD Astronomical Database
- NOAO: NGC 7840 (Eng-gí)
- Информация на английском и французском из оригинального «Нового общего каталога»
- Информация(Eng-gí) из «Пересмотренного «Нового общего каталога»
- VizieR(Eng-gí)
- NASA/IPAC Extragalactic Database(Eng-gí)
- Список публикаций, посвящённых NGC 7840