15554+1552 HEI 855
15h 55m 25.86s +15° 52' 23.9" P.A. 90.00 sep 2.6 mag 12.00,12.50
Coord 2000 |
15554+1552 |
|
Discov num |
HEI 855 |
|
Comp |
|
|
Coord arcsec 2000 |
15 55 25.86 +15 52 23.9 |
|
Date first |
1978 |
|
Date last |
2014 |
|
Obs |
4 |
|
Pa first |
79 |
|
Pa last |
90 |
|
P.A. Now (θ) |
90° |
|
Sep first |
2.6 |
|
Sep last |
2.55 |
|
Sep. Now (ρ) |
2.55" |
|
Mag pri |
12.00 |
|
Mag sec |
12.50 |
|
delta mag (ΔM) |
0.5 |
|
Spectral class |
|
|
Pri motion ra |
-015 |
|
Sec motion ra |
|
|
Pri motion dec |
-015 |
|
Sec motion dec |
|
|
Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Serpens |
|
Gaia DR2 |
1193236953865133824 |
|