22087+4545 YSC 15 AB (AR Lac)
22h 08m 40.86s +45° 44' 31.7" P.A. 345.00 sep 0.0 mag 6.25,8.61 Sp G3V dist. 42.77 pc (139.52 l.y.)
| Coord 2000 |
22087+4545 |
|
Discov num |
YSC 15 |
|
Comp |
AB |
|
Coord arcsec 2000 |
22 08 40.86 +45 44 31.7 |
|
| Date first |
2006 |
|
Date last |
2010 |
|
Obs |
2 |
|
| Pa first |
261 |
|
Pa last |
344.6 |
|
P.A. Now (θ) |
344.6° |
|
| Sep first |
0.1 |
|
Sep last |
0.03 |
|
Sep. Now (ρ) |
0.03" |
|
| Mag pri |
6.25 |
|
Mag sec |
8.61 |
|
delta mag (ΔM) |
2.36 |
|
Spectral class |
G3V (yellow) |
|
| Pri motion ra |
-052 |
|
Sec motion ra |
|
|
| Pri motion dec |
+048 |
|
Sec motion dec |
|
|
| Notes |
W
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Var name |
AR Lac |
|
Constellation |
Lacerta |
|
SAO |
51684 |
|
HIP |
109303 |
|
| Tycho2 |
3606-00784-1 |
|
HD |
210334 |
|
HR |
8448 |
|
GC |
30985 |
|
| BD |
BD+45 3813 |
|
Distance |
42.77 |
|
Distance ly |
139.52 |
|
