20179+3845 SLE 990
20h 17m 56.28s +38° 44' 28.8" P.A. 274.00 sep 8.9 mag 11.70,13.30
| Coord 2000 |
20179+3845 |
|
Discov num |
SLE 990 |
|
Comp |
|
|
Coord arcsec 2000 |
20 17 56.28 +38 44 28.8 |
|
| Date first |
1985 |
|
Date last |
2015 |
|
Obs |
8 |
|
| Pa first |
278 |
|
Pa last |
273.5 |
|
P.A. Now (θ) |
273.5° |
|
| Sep first |
8.2 |
|
Sep last |
8.944 |
|
Sep. Now (ρ) |
8.944" |
|
| Mag pri |
11.70 |
|
Mag sec |
13.30 |
|
delta mag (ΔM) |
1.6 |
|
Spectral class |
|
|
| Pri motion ra |
+001 |
|
Sec motion ra |
-022 |
|
| Pri motion dec |
-003 |
|
Sec motion dec |
-014 |
|
| Notes |
R
(Red magnitudes) |
|
rPM=0.978
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Gaia DR2 |
2061347052408240768 |
|
WDS 20179+3845 SLE 990 : NOTES
No records found.
REFERENCES
| refcode |
metd |
author |
reference |
| Sle1966 |
Mc j |
Soulie, G. |
1966JO.....49..359S |
| Sle1966 |
+Pa |
J. Obs. 49, 359, 1966 |
|
| Sle1983 |
Pa - |
Soulie, G. |
1983A&AS...54..281S |
| Sle1983 |
|
A&AS 54, 281, 1983 |
|
| Sle1984 |
Pa - |
Soulie, G. |
1984A&AS...56..351S |
| Sle1984 |
|
A&AS 56, 351, 1984 |
|
| Sle1985 |
Pa - |
Soulie, G. |
1985A&AS...61...17S |
| Sle1985 |
|
A&AS 61, 17, 1985 |
|
| Sle1986a |
Pa - |
Soulie, G. |
. |
| Sle1986a |
|
Bull. Inf. Cent. Donnes Stell. #30, 91, 1986 |
|
| Sle1986b |
Pa - |
Soulie, G. |
. |
| Sle1986b |
|
Bull. Inf. Cent. Donnes Stell. #30, 103, 1986 |
|
| Sle2003 |
C j |
Soulie, G. |
2003O&T....56...10S |
| Sle2003 |
|
Obs. et Travaux 56, 10, 2003 |
|
| Sle2006 |
Pa - |
Soulie, G. |
2006O&T....62...26S |
| Sle2006 |
|
Obs. et Travaux 62, 26, 2006 |
|
| Sle2006b |
Pa j |
Soulie, G. |
2006O&T....63...15S |
| Sle2006b |
|
Obs. et Travaux 63, 15, 2006 |
|
| Sle2007 |
C j |
Soulie, G. |
2007O&T....65...34S |
| Sle2007 |
|
Obs. et Travaux 65, 34, 2007 |
|
WDS HISTORIC DATA
| coord_2000 |
discov_num |
comp |
epoch |
obs |
pa |
sep |
mag_pri |
mag_sec |
spectr |
notes |
coord_arcsec_2000 |
| 20179+3845 |
SLE 990 |
|
1998 |
2 |
275 |
8.6 |
11.90 |
12.30 |
|
D |
201756.19+384438.8 |
| 20179+3845 |
SLE 990 |
|
2002 |
3 |
275 |
8.7 |
11.70 |
13.30 |
|
R |
201756.28+384428.8 |
| 20179+3845 |
SLE 990 |
|
2010 |
4 |
269 |
7.8 |
11.70 |
13.30 |
|
R |
201756.28+384428.8 |
| 20179+3845 |
SLE 990 |
|
2015 |
4 |
274 |
8.9 |
11.70 |
13.30 |
|
R |
201756.28+384428.8 |
If you need more information about this double, apply for a
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WDS 20179+3845 SLE 990 : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 20179+3845 SLE 990 : MEASURES
No records found.
WDS 20179+3845 : VIRTUAL EYEPIECE
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|
|
WDS 20179+3845 : ALADIN DSS IMAGE @
Error -22130
Not valid ID.
Error -22130
Not valid ID.
Error -27220
Not valid ID.
