20433+2549 BUP 217 AC (HD 197489)
20h 43m 19.99s +25° 49' 29.2" P.A. 208.00 sep 39.7 mag 7.06,12.50 Sp A7II dist. 606.06 pc (1976.97 l.y.)
| Coord 2000 |
20433+2549 |
|
Discov num |
BUP 217 |
|
Comp |
AC |
|
Coord arcsec 2000 |
20 43 19.99 +25 49 29.2 |
|
| Date first |
1910 |
|
Date last |
2015 |
|
Obs |
7 |
|
| Pa first |
208 |
|
Pa last |
208.4 |
|
P.A. Now (θ) |
208.4° |
|
| Sep first |
39.7 |
|
Sep last |
39.727 |
|
Sep. Now (ρ) |
39.727" |
|
| Mag pri |
7.06 |
|
Mag sec |
12.50 |
|
delta mag (ΔM) |
5.44 |
|
Spectral class |
A7II (white) |
|
| Pri motion ra |
+001 |
|
Sec motion ra |
-002 |
|
| Pri motion dec |
-006 |
|
Sec motion dec |
-008 |
|
| Notes |
|
|
rPM=0.437
Nature of this double is uncertain.
20433+2549 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
89048 |
20 43 20 +25 49 29 |
BUP 217 AB |
2015 |
6 |
285 |
17.2 |
7.06 |
14.50 |
7.44 |
|
|
| Show |
HD 197489 |
89048 |
20 43 20 +25 49 29 |
BUP 217 AC |
2015 |
7 |
208 |
39.7 |
7.06 |
12.50 |
5.44 |
|
<=== |
| Show |
|
89048 |
20 43 20 +25 49 29 |
BUP 217 AD |
2015 |
17 |
102 |
387.7 |
7.06 |
9.28 |
2.22 |
|
|
| Show |
|
89048 |
20 43 20 +25 49 29 |
BUP 217 AE |
2015 |
13 |
286 |
442.7 |
7.06 |
10.37 |
3.31 |
|
|
Quintuple system
5 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 197489 |
|
Constellation |
Vulpecula |
|
SAO |
89048 |
|
HIP |
102271 |
|
| Tycho2 |
2174-01423-1 |
|
Gaia DR2 |
1843656497553051008 |
|
HD |
197489 |
|
BD |
BD+25 4347 |
|
| Distance |
606.06 |
|
Distance ly |
1976.97 |
|
