20154+0042 HWE 100 AC
20h 15m 22.30s +00° 42' 22.1" P.A. 271.00 sep 31.3 mag 9.57,11.01 Sp G5
Coord 2000 |
20154+0042 |
|
Discov num |
HWE 100 |
|
Comp |
AC |
|
Coord arcsec 2000 |
20 15 22.30 +00 42 22.1 |
|
Date first |
1879 |
|
Date last |
2015 |
|
Obs |
14 |
|
Pa first |
271 |
|
Pa last |
270.7 |
|
P.A. Now (θ) |
270.7° |
|
Sep first |
31.2 |
|
Sep last |
31.254 |
|
Sep. Now (ρ) |
31.254" |
|
Mag pri |
9.57 |
|
Mag sec |
11.01 |
|
delta mag (ΔM) |
1.44 |
|
Spectral class |
G5 (yellow) |
|
Pri motion ra |
+021 |
|
Sec motion ra |
+020 |
|
Pri motion dec |
+012 |
|
Sec motion dec |
+010 |
|
Notes |
|
|
rPM=0.092 (< 0.3, Physical double)
This double is physical.
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
Constellation |
Aquila |
|
Tycho2 |
0496-01289-1 |
|
Gaia DR2 |
4242498811579359360 |
|
HD |
192542 |
|
DM |
BD+00 4453 |
|