7 Camelopardalis

7 Camelopardalis
Observation data Epoch J2000 Equinox J2000
7 Camelopardalis
Constellation	Camelopardalis
Right ascension	04^h 57^m 17.1966^s
Declination	+53° 45′ 07.564″
Apparent magnitude (V)	4.452
Characteristics
Spectral type	A1Va/A1IV
U−B color index	−0.01
B−V color index	−0.02
R−I color index	−0.01
Astrometry

Radial velocity (R_v)	−7.9 km/s
Proper motion (μ)	RA: −24.17 mas/yr Dec.: 7.53 mas/yr
Parallax (π)	8.68 ± 0.81 mas
Distance	380 ± 40 ly (120 ± 10 pc)
Absolute magnitude (M_V)	-0.88

Details

Mass	3.9 M_☉
Radius	5.37 R_☉
Luminosity	195 L_☉
Temperature	9,400 K
Rotation	45 km/s 0,00727379 Year

Orbit
Companion	CCDM 04573+5345 B D 5
Period (P)	284 yr
Semi-major axis (a)	0.78″
Eccentricity (e)	0.74
Inclination (i)	137.9°
Longitude of the node (Ω)	158.2°
Periastron epoch (T)	1986
Orbit
Companion	CCDM 04573+5345 C STF 610
Semi-major axis (a)	25.8″
Inclination (i)	240°
Other designations
HR 1568, HD 31278, BD+53° 829, HIP 23040, SAO 24929, GC 6017, ADS 3536, CCDM 04573+5345.
Database references
SIMBAD	data
Data sources:
Hipparcos Catalogue, CCDM (2002), Bright Star Catalogue (5th rev. ed.)
Database references
SIMBAD	data

7 Camelopardalis is a triple star system in the constellation Camelopardalis. It is approximately 376 light years from Earth.

The primary component, 7 Camelopardalis A, is a white A-type main sequence dwarf with an apparent magnitude of +4.43. Orbiting the primary with a period of 284 years is 7 Camelopardalis B, a magnitude +7.8 star which is only 0.78 arcseconds from the primary. The third component, 7 Camelopardalis C, is an eleventh magnitude star 26 arcseconds distant.

Components

NAME	Right ascension	Declination	Apparent magnitude (V)	Spectral type	Database references
ADS 3536 B (BD+53 829C)	04^h 57^m 14.6^s	+53° 44' 53	11.3		Simbad

References

Camelopardalis constellation

Stars (list)

Bayer	α β γ
Flamsteed	1 2 3 4 5 6 7 8 11 12 14 15 16 17 18 19 20 21 22 23 24 26 28 29 30 31 36 37 38 39 40 41 42 43 47 49 51 53
Variable	R U X Y Z RU RW RX SS ST SV SZ TW TX UY VZ WW XX AH AL AO AS AY BD BE BK BL BN BY BZ CE CI CO CQ CS FR HT KZ MU MY
HR	967 1033 1043 1046 1068 1071 1073 1077 1112 1124 1129 1138 1147 1158 1161 1166 1192 1196 1204 1205 1241 1242 1248 1255 1270 1276 1281 1282 1296 1305 1313 1314 1327 1335 1342 1352 1382 1401 1440 1468 1491 1510 1515 1527 1546 1561 1572 1587 1589 1593 1594 1624 1636 1647 1650 1675 1683 1686 1688 1720 1844 1853 1916 1976 1994 2041 2078 2121 2126 2209 2285 2363 2365 2396 2401 2527 2581 2617 2681 2709 2809 2830 3075 3082 3108 3112 3191 3216 3352 3379 3581 3666 3934 4062 4084 4429 4606 4609 (Tonatiuh) 4639 4852 4892 4893 5009 5091 5131 5203
HD	25225 34200 34450 38058 40568 69054 74462 77246
Gliese	Gliese 445 GJ 3378
Other	AFGL 490 BD +75 325 G 191-B2B 2MASS 0532+8246 PSR B0329+54 PSR B0655+64 PSR B0809+74 SCR 0630-7643 Stein 2051 Struve 1694 V0332+ 53 WISE J140533.32+835030.5 XO-3

Star clusters

Open	NGC 1502 NGC 1708

Nebulae

Star-forming	NGC 2404
Planetary	IC 3568 (Lemon Slice Nebula) NGC 1501 M 4-18

Galaxies

NGC	1469 1485 1530 1560 1569 1573 1573A 1961 2128 2146 2146A 2256 2258 2268 2314 2336 2336A 2347 2363 2366 2403 2441 2460 2523 2523A 2523B 2523C 2544 2550 2550A 2551 2591 2633 2634 2634A 2636 2646 2655 2715 2732 2748 3901 4127 5295 5640
Other	3C 179 3C 184 IC 342 IRAS 07598+6508 MACS0647-JD Markarian 3 Markarian 6 Markarian 10 Markarian 78 PG 0804+761 QSO B1150+812 S4 0636+68 S5 0716+714 VII Zw 31

Galaxy
clusters

Other

GRB 970508
GRB 060124
GRB 061126
SN 1987M
SN 2004dj
SN 2010lt

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