15303+1543 HJ 254 BD
15h 30m 13.89s +15° 42' 43.1" P.A. 259.00 sep 74.8 mag 10.47,14.31
| Coord 2000 |
15303+1543 |
|
Discov num |
HJ 254 |
|
Comp |
BD |
|
Coord arcsec 2000 |
15 30 13.89 +15 42 43.1 |
|
| Date first |
1825 |
|
Date last |
2017 |
|
Obs |
13 |
|
| Pa first |
255 |
|
Pa last |
258.7 |
|
P.A. Now (θ) |
258.7° |
|
| Sep first |
30.0 |
|
Sep last |
74.8 |
|
Sep. Now (ρ) |
74.8" |
|
| Mag pri |
10.47 |
|
Mag sec |
14.31 |
|
delta mag (ΔM) |
3.84 |
|
Spectral class |
|
|
| Pri motion ra |
-005 |
|
Sec motion ra |
-015 |
|
| Pri motion dec |
+021 |
|
Sec motion dec |
-006 |
|
| Notes |
|
|
rPM=1.334
This double is not physical.
15303+1543 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
15 30 15 +15 42 41 |
HJ 254 AB |
2017 |
24 |
278 |
17.1 |
10.04 |
10.47 |
0.43 |
|
|
| Show |
|
|
15 30 14 +15 42 43 |
HJ 254 BC |
2017 |
13 |
2 |
60.3 |
10.47 |
12.70 |
2.23 |
|
|
| Show |
|
|
15 30 14 +15 42 43 |
HJ 254 BD |
2017 |
13 |
259 |
74.8 |
10.47 |
14.31 |
3.84 |
|
<=== |
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Serpens |
|
Tycho2 |
1494-00416-1 |
|
Gaia DR2 |
1195505559887000320 |
|
