07307+4813 GIC 75 AB
07h 30m 42.71s +48° 11' 54.9" P.A. 154.00 sep 103.0 mag 13.52,14.62 Sp +DC9
| Coord 2000 |
07307+4813 |
|
Discov num |
GIC 75 |
|
Comp |
AB |
|
Coord arcsec 2000 |
07 30 42.71 +48 11 54.9 |
|
| Date first |
1953 |
|
Date last |
2015 |
|
Obs |
12 |
|
| Pa first |
153 |
|
Pa last |
153.8 |
|
P.A. Now (θ) |
153.8° |
|
| Sep first |
104.4 |
|
Sep last |
103.02 |
|
Sep. Now (ρ) |
103.02" |
|
| Mag pri |
13.52 |
|
Mag sec |
14.62 |
|
delta mag (ΔM) |
1.1 |
|
Spectral class |
+DC9 |
|
| Pri motion ra |
-022 |
|
Sec motion ra |
-022 |
|
| Pri motion dec |
-127 |
|
Sec motion dec |
-127 |
|
| Notes |
N
T
P
(See Notes, Parallax indicates physical, 100-year proper motion) |
|
This double is physical.
07307+4813 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
07 30 43 +48 11 55 |
GIC 75 AB |
2015 |
12 |
154 |
103.0 |
13.52 |
14.62 |
1.10 |
|
<=== |
| Show |
|
|
07 30 47 +48 10 23 |
WNO 49 Ba,Bb |
2015 |
5 |
318 |
0.7 |
15.50 |
15.50 |
0.00 |
Y |
|
Triple system
2 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
SUSPECTED ORBITAL ELEMENTS
| Identifier | 07307+4813 GIC 75 A |
| coord_arcsec_2000 | 073042.57+481158.8 |
| Period (P) | 0.94y | |
Periastron (T) | 1969.6y | |
Semi-major axis (a) | 0.054a | |
| Eccentricity (e) | 0.6 | |
Inclination (i) | 94° | |
Longitude of periastron (ω) | 30° | |
| Node (Ω) | 102° | |
Notes | n | |
Reference | Hrr1981 | |
| Equinox | | |
Last observation | 1980 | |
Grade | 9 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
281.2 |
0.078 |
| 2001 |
280.6 |
0.080 |
| 2002 |
280.0 |
0.077 |
| 2003 |
279.3 |
0.072 |
| 2004 |
278.5 |
0.064 |
| 2005 |
277.4 |
0.053 |
| 2006 |
275.6 |
0.039 |
| 2007 |
271.6 |
0.023 |
| 2008 |
244.7 |
0.006 |
| 2009 |
112.2 |
0.014 |
| 2010 |
102.4 |
0.023 |
| 2011 |
323.0 |
0.003 |
| 2012 |
285.4 |
0.033 |
| 2013 |
283.4 |
0.054 |
| 2014 |
282.4 |
0.068 |
| 2015 |
281.6 |
0.076 |
| 2016 |
281.0 |
0.079 |
| 2017 |
280.4 |
0.079 |
| 2018 |
279.8 |
0.076 |
| 2019 |
279.1 |
0.069 |
| 2020 |
278.2 |
0.060 |
| 2021 |
276.9 |
0.048 |
| 2022 |
274.7 |
0.034 |
| 2023 |
268.6 |
0.018 |
| 2024 |
168.1 |
0.004 |
| 2025 |
107.6 |
0.019 |
| 2026 |
99.7 |
0.019 |
| 2027 |
290.7 |
0.014 |
| 2028 |
284.5 |
0.041 |
| 2029 |
283.0 |
0.059 |
| 2030 |
282.1 |
0.071 |
|
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Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
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Measures: green=micrometric, blue=interferometric, purple=photographic |
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