20157+1508 CHE 249 AB
20h 15m 42.96s +15° 08' 40.1" P.A. 349.00 sep 22.6 mag 12.54,13.85
| Coord 2000 |
20157+1508 |
|
Discov num |
CHE 249 |
|
Comp |
AB |
|
Coord arcsec 2000 |
20 15 42.96 +15 08 40.1 |
|
| Date first |
1910 |
|
Date last |
2018 |
|
Obs |
6 |
|
| Pa first |
348 |
|
Pa last |
348.6 |
|
P.A. Now (θ) |
348.6° |
|
| Sep first |
22.9 |
|
Sep last |
22.6 |
|
Sep. Now (ρ) |
22.6" |
|
| Mag pri |
12.54 |
|
Mag sec |
13.85 |
|
delta mag (ΔM) |
1.31 |
|
Spectral class |
|
|
| Pri motion ra |
-094 |
|
Sec motion ra |
-035 |
|
| Pri motion dec |
+040 |
|
Sec motion dec |
+012 |
|
| Notes |
N
(See Notes) |
|
rPM=0.639
Nature of this double is uncertain.
20157+1508 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
20 15 43 +15 08 40 |
CHE 249 AB |
2018 |
6 |
349 |
22.6 |
12.54 |
13.85 |
1.31 |
|
<=== |
| Show |
|
|
20 15 43 +15 08 40 |
BKO 549 AC |
2015 |
4 |
111 |
4.8 |
12.54 |
15.00 |
2.46 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Delphinus |
|
Gaia DR2 |
1808255040638198656 |
|
