15554+1552 HEI 855
 
 
 15h 55m 25.86s +15° 52' 23.9" P.A. 91.00 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 | 
2016 | 
 | 
Obs | 
6 | 
 | 
| Pa first | 
79 | 
 | 
Pa last | 
90.6 | 
 | 
P.A. Now (θ) | 
90.6° | 
 | 
| Sep first | 
2.6 | 
 | 
Sep last | 
2.642 | 
 | 
Sep. Now (ρ) | 
2.642" | 
 | 
| Mag pri | 
12.00 | 
 | 
Mag sec | 
12.50 | 
 | 
delta mag (ΔM) | 
0.5 | 
 | 
Spectral class | 
 | 
 | 
| Pri motion ra | 
+002 | 
 | 
Sec motion ra | 
+003 | 
 | 
| Pri motion dec | 
-013 | 
 | 
Sec motion dec | 
-029 | 
 | 
| Notes | 
S 
 (Parallax indidates non-physical) | 
 | 
rPM=0.55
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
| Constellation | 
Serpens | 
 | 
Gaia DR2 | 
1193236953865133824 | 
 |