15261+1810 STF 1940 (HD 137557)
15h 26m 08.92s +18° 10' 16.2" P.A. 331.00 sep 0.3 mag 8.46,8.88 Sp F8 dist. 263.85 pc (860.68 l.y.)
Coord 2000 |
15261+1810 |
|
Discov num |
STF1940 |
|
Comp |
|
|
Coord arcsec 2000 |
15 26 08.92 +18 10 16.2 |
|
Date first |
1830 |
|
Date last |
2018 |
|
Obs |
73 |
|
Pa first |
326 |
|
Pa last |
330.8 |
|
P.A. Now (θ) |
330.8° |
|
Sep first |
1.5 |
|
Sep last |
0.344 |
|
Sep. Now (ρ) |
0.344" |
|
Mag pri |
8.46 |
|
Mag sec |
8.88 |
|
delta mag (ΔM) |
0.42 |
|
Spectral class |
F8 (yellow-white) |
|
Pri motion ra |
+014 |
|
Sec motion ra |
+014 |
|
Pri motion dec |
-008 |
|
Sec motion dec |
-008 |
|
Notes |
L
(Linear solution) |
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 137557 |
|
Constellation |
Serpens |
|
SAO |
101554 |
|
HIP |
75560 |
|
Tycho2 |
1490-00175-1 |
|
Gaia DR2 |
1208848889403382144 |
|
HD |
137557 |
|
GC |
20752 |
|
BD |
BD+18 3019 |
|
Distance |
263.85 |
|
Distance ly |
860.68 |
|