20426+1244 STF 2718 BC
20h 42m 34.05s +12° 43' 42.1" P.A. 346.00 sep 167.3 mag 8.39,9.02 Sp F5
Coord 2000 |
20426+1244 |
|
Discov num |
STF2718 |
|
Comp |
BC |
|
Coord arcsec 2000 |
20 42 34.05 +12 43 42.1 |
|
Date first |
1889 |
|
Date last |
2015 |
|
Obs |
16 |
|
Pa first |
343 |
|
Pa last |
346.1 |
|
P.A. Now (θ) |
346.1° |
|
Sep first |
168.6 |
|
Sep last |
167.259 |
|
Sep. Now (ρ) |
167.259" |
|
Mag pri |
8.39 |
|
Mag sec |
9.02 |
|
delta mag (ΔM) |
0.63 |
|
Spectral class |
F5 (yellow-white) |
|
Pri motion ra |
-007 |
|
Sec motion ra |
+012 |
|
Pri motion dec |
-026 |
|
Sec motion dec |
-012 |
|
Notes |
|
|
rPM=0.877
This double is not physical.
20426+1244 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
HD 197312 |
106409 |
20 42 33 +12 43 42 |
STF 2718 AB |
2020 |
85 |
87 |
8.5 |
8.28 |
8.39 |
0.11 |
|
|
Show |
|
106409 |
20 42 33 +12 43 42 |
STF 2718 AC |
2015 |
20 |
346 |
167.2 |
8.28 |
9.02 |
0.74 |
|
|
Show |
|
106410 |
20 42 34 +12 43 42 |
STF 2718 BC |
2015 |
16 |
346 |
167.3 |
8.39 |
9.02 |
0.63 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Delphinus |
|
SAO |
106410 |
|
Tycho2 |
1097-00010-1 |
|
Gaia DR2 |
1755224009981286272 |
|
HD |
197313 |
|
GC |
28856 |
|