IC 4340
| Galaxie IC 4340 | |
|---|---|
| SDSS-Aufnahme | |
| AladinLite | |
| Sternbild | Jagdhunde |
| Position Äquinoktium: J2000.0, Epoche: J2000.0 | |
| Rektaszension | 13h 53m 33,535s [1] |
| Deklination | +37° 23′ 13,14″ [1] |
| Erscheinungsbild | |
| Morphologischer Typ | S0[1] |
| Helligkeit (visuell) | 14,0 mag[2] |
| Helligkeit (B-Band) | 15,0 mag[2] |
| Winkelausdehnung | 1′ × 0,7′[2] |
| Positionswinkel | 45°[2] |
| Flächenhelligkeit | 13,5 mag/arcmin²[2] |
| Physikalische Daten | |
| Zugehörigkeit | WBL 474[1] |
| Rotverschiebung | 0.024911 ± 0.000009[1] |
| Radialgeschwindigkeit | (7468 ± 3) km/s[1] |
| Hubbledistanz H0 = 73 km/(s • Mpc) |
(337 ± 23)e6 Lj (103,3 ± 7,2) Mpc [1] |
| Durchmesser | 85.000 Lj[3] |
| Geschichte | |
| Entdeckung | Stéphane Javelle |
| Entdeckungsdatum | 26. Juni 1896 |
| Katalogbezeichnungen | |
| IC 4340 • PGC 49364 • CGCG 191-010 • MCG +06-31-009 • 2MASX J13533353+3723132 • 2MASS J13533353+3723131 • GALEXASC J135333.51+372311.5 • WISEA J135333.55+372313.2 | |
IC 4340 ist eine linsenförmige Galaxie vom Hubble-Typ S0 im Sternbild Jagdhunde am Nordsternhimmel. Sie ist schätzungsweise 337 Millionen Lichtjahre von der Milchstraße entfernt und hat einen Durchmesser von etwa 85.000 Lichtjahren. Vom Sonnensystem aus entfernt sich die Galaxie mit einer errechneten Radialgeschwindigkeit von näherungsweise 7.500 Kilometern pro Sekunde.
Das Objekt wurde am 26. Juni 1896 von Stéphane Javelle entdeckt.[4]
Galaktisches Umfeld
| Nr. | Galaxie | Alternativname | Rek | Dek | Distanz/asec |
|---|---|---|---|---|---|
| IC 4340 | LEDA/PGC 49364[5] | 13h53m33.535s | +37d23m13.14s | 0 | |
| 1 | LEDA/PGC 49392 | MCG +06-31-017 | 13h54m02.887s | +37d22m51.42s | 350.47 |
| 2 | LEDA/PGC 49383 | MCG +06-31-018 | 13h54m03.722s | +37d25m01.91s | 375.75 |
| 3 | LEDA/PGC 49313 | CGCG 190-071 | 13h52m58.796s | +37d21m48.03s | 422.71 |
| 4 | LEDA/PGC 2098601 | 2MASX J13525734+3720559 | 13h52m57.389s | +37d20m55.80s | 452.76 |
| 5 | IC 4341 | PGC 49366 | 13h53m34.247s | +37d31m20.10s | 487.07 |
| 6 | 2MASX J13531405+3730332 | WISEA J135314.05+373032.3 | 13h53m14.068s | +37d30m32.65s | 496.96 |
| 7 | LEDA/PGC 2102625 | 2MASX J13535930+3730577 | 13h53m59.303s | +37d30m57.75s | 556.77 |
| 8 | LEDA/PGC 49301 | UGC 8795 | 13h52m48.495s | +37d29m27.68s | 654.26 |
| 9 | 2MASX J13533793+3735141 | WISEA J135337.93+373514.2 | 13h53m37.935s | +37d35m14.23s | 723.02 |
| 10 | LEDA/PGC 2102844 | 2MASX J13524088+3731308 | 13h52m40.906s | +37d31m30.74s | 800.25 |
| 11 | LEDA/PGC 2102768 | WISEA J135434.52+373120.4 | 13h54m34.498s | +37d31m20.42s | 874.22 |
| 12 | LEDA/PGC 2102297 | 2MASX J13522752+3730078 | 13h52m27.558s | +37d30m07.98s | 888.55 |
| 13 | LEDA/PGC 2105766 | 2MASX J13534112+3738276 | 13h53m41.097s | +37d38m27.78s | 918.41 |
| 14 | LEDA/PGC 2102764 | 2MASX J13522710+3731187 | 13h52m27.113s | +37d31m19.77s | 928.27 |
| 15 | LEDA/PGC 2102925 | 2MASX J13522646+3731419 | 13h52m26.46s | +37d31m42.0s | 947.13 |
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