20154+0042 HWE 100 AB (HD 192542)
20h 15m 22.30s +00° 42' 22.1" P.A. 253.00 sep 1.7 mag 9.57,11.00 Sp G5
| Coord 2000 |
20154+0042 |
|
Discov num |
HWE 100 |
|
Comp |
AB |
|
Coord arcsec 2000 |
20 15 22.30 +00 42 22.1 |
|
| Date first |
1902 |
|
Date last |
1994 |
|
Obs |
8 |
|
| Pa first |
258 |
|
Pa last |
253.4 |
|
P.A. Now (θ) |
253.4° |
|
| Sep first |
1.8 |
|
Sep last |
1.71 |
|
Sep. Now (ρ) |
1.71" |
|
| Mag pri |
9.57 |
|
Mag sec |
11.00 |
|
delta mag (ΔM) |
1.43 |
|
Spectral class |
G5 (yellow) |
|
| Pri motion ra |
+018 |
|
Sec motion ra |
+018 |
|
| Pri motion dec |
+009 |
|
Sec motion dec |
+009 |
|
| Notes |
|
|
Nature of this double is uncertain.
20154+0042 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 192542 |
|
20 15 22 +00 42 22 |
HWE 100 AB |
1994 |
8 |
253 |
1.7 |
9.57 |
11.00 |
1.43 |
|
<=== |
| Show |
|
|
20 15 22 +00 42 22 |
HWE 100 AC |
2015 |
14 |
271 |
31.3 |
9.57 |
11.01 |
1.44 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 192542 |
|
Constellation |
Aquila |
|
Tycho2 |
0496-01289-1 |
|
Gaia DR2 |
4242498811579359360 |
|
| HD |
192542 |
|
ADS |
13582 |
|
