18572+0500 HEI 898
18h 57m 05.40s +04° 58' 56.1" P.A. 183.00 sep 2.2 mag 11.34,12.20
| Coord 2000 |
18572+0500 |
|
Discov num |
HEI 898 |
|
Comp |
|
|
Coord arcsec 2000 |
18 57 05.40 +04 58 56.1 |
|
| Date first |
1995 |
|
Date last |
2008 |
|
Obs |
3 |
|
| Pa first |
185 |
|
Pa last |
183.3 |
|
P.A. Now (θ) |
183.3° |
|
| Sep first |
1.9 |
|
Sep last |
2.23 |
|
Sep. Now (ρ) |
2.23" |
|
| Mag pri |
11.34 |
|
Mag sec |
12.20 |
|
delta mag (ΔM) |
0.86 |
|
Spectral class |
|
|
| Pri motion ra |
+004 |
|
Sec motion ra |
|
|
| Pri motion dec |
+014 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Serpens |
|
Tycho2 |
0457-00193-1 |
|
Gaia DR2 |
4282369714541192192 |
|
