22415+4014 S 815 (12 Lac)
22h 41m 28.65s +40° 13' 31.6" P.A. 11.00 sep 65.8 mag 5.21,10.80 Sp B2III dist. 411.52 pc (1342.38 l.y.)
Coord 2000 |
22415+4014 |
|
Discov num |
S 815 |
|
Comp |
|
|
Coord arcsec 2000 |
22 41 28.65 +40 13 31.6 |
|
Date first |
1825 |
|
Date last |
2013 |
|
Obs |
20 |
|
Pa first |
16 |
|
Pa last |
11.4 |
|
P.A. Now (θ) |
11.4° |
|
Sep first |
72.0 |
|
Sep last |
65.81 |
|
Sep. Now (ρ) |
65.81" |
|
Mag pri |
5.21 |
|
Mag sec |
10.80 |
|
delta mag (ΔM) |
5.59 |
|
Spectral class |
B2III (blue-white) |
|
Pri motion ra |
-002 |
|
Sec motion ra |
-016 |
|
Pri motion dec |
-005 |
|
Sec motion dec |
-017 |
|
Notes |
N
(See Notes) |
|
rPM=0.79
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Name |
12 Lac |
|
Var name |
DD Lac |
|
Constellation |
Lacerta |
|
SAO |
72627 |
|
HIP |
112031 |
|
Tycho2 |
3218-02413-1 |
|
Gaia DR2 |
1932278646572284288 |
|
HD |
214993 |
|
HR |
8640 |
|
GC |
31670 |
|
BD |
BD+39 4912 |
|
Flamsteed |
12 Lacertae |
|
Flamsteed name |
12 Lac |
|
Distance |
411.52 |
|
Distance ly |
1342.38 |
|