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Doubles in session


Current system
20526+4024
GRV 391


Nearby doubles
17' : 20520+4009
MLB 955

27' : 20544+4042
STT 420

30' : 20546+4042
ES 1685AB

32' : 20511+4051
TDT2578

38' : 20495+4035
COU2426

40' : 20556+4004
TDT2634

41' : 20498+3958
SEI1267

43' : 20514+3945
MLB 779AB

44' : 20516+4106
ES 1683

44' : 20515+3944
DAM 317AB

44' : 20488+4024
ALI1192

46' : 20531+3940
SEI1292

50' : 20558+3951
LDS2469

50' : 20542+4111
ES 1684

51' : 20485+4041
ES 1682

51' : 20553+3944
SEI1315

52' : 20486+4000
TOB 198

53' : 20551+3941
MLB 886

53' : 20545+3937
BRT2281

54' : 20539+4115
KPP1503

54' : 20484+4002
SEI1255AB

56' : 20555+3940
MLB 783

56' : 20490+3947
STF2731AB

58' : 20481+3958
CVR 231

58' : 20555+4112
ES 1686

59' : 20549+3933
BKO 471



Selections
Full WDS
Binocular doubles
Binary Systems
Triple Systems
Quadruple Systems
Multiple Systems
Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

20526+4024 GRV 391

 
 
20h 52m 37.07s +40° 24' 17.9" P.A. 144.00 sep 59.5 mag 12.80,12.80
 
 
Coord 2000 20526+4024 Discov num GRV 391 Comp Coord arcsec 2000 20 52 37.07 +40 24 17.9
Date first 1998 Date last 2015 Obs 7
Pa first 144 Pa last 143.7 P.A. Now (θ) 143.7°
Sep first 59.5 Sep last 59.506 Sep. Now (ρ) 59.506"
Mag pri 12.80 Mag sec 12.80 delta mag (ΔM) 0 Spectral class
Pri motion ra -018 Sec motion ra -009
Pri motion dec -020 Sec motion dec -011
Notes
rPM=0.473
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Gaia DR2 2065107657037956096
 
 
WDS 20526+4024 GRV 391 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Grv2004 Eu - Greaves, J. 2004MNRAS.355..585G
Grv2004 MNRAS 355, 585, 2004
Grv2005a Es - Greaves, J. ...................
Grv2005a +C Webb Soc., Double Star Circ. 13, 2005 (GRV 973 - 1147)
Grv2005a (Note: RA for all WDS designations inadvertently truncated to integer minute)
Grv2005b Pa - Greaves, J. ...................
Grv2005b private communication
Grv2005c C - Greaves, J. 2005JDSO....1...41G
Grv2005c JDSO 1, 41, 2005
Grv2006 - Greaves, J. ...................
Grv2006 private communication, 2006
Grv2006 (measures done using LSPM-north, see Vizier On-line Data Catalog I/298;
Grv2006 Lepine & Shara 2005)
Grv2006b Es - Greaves, J. ...................
Grv2006b private Communication, 2006
Grv2006b (Reduction of SDSS data. Calculated position is to J2000, but actual observation
Grv2006b epoch is unknown and proper motion may or may not have been applied.)
Grv2006c Ey - Greaves, J. ...................
Grv2006c private Communication, 2006
Grv2006c (Reduction of SPM3.3 data. Calculated position is to 1991.25, but actual
Grv2006c observation epoch is unknown and proper motion may or may not have been applied.)
Grv2008 Es - Greaves, J. ...................
Grv2008 Webb Soc., Double Star Circ. 16, 2008
Grv2011 C - Greaves, J. ...................
Grv2011 Webb Soc., Double Star Circ. 19, 2011
Grv2011 These carry a discovery designation of SPM and come from the SPM4 Catalog 2011AJ....142...15G
Grv2019a Hg u Greaves, J. 2019JDSO...15...59G
Grv2019a JDSO 15, 59, 2019
Grv2019b Hg u Greaves, J. 2019JDSO...15...77G
Grv2019b JDSO 15, 59, 2019
Grv2019c Hg u Greaves, J. ...................
Grv2019c private communication, 2019 (17 April 2019 email)
Grv2019d Hg - Greaves, J. .
Grv2019d private communication, 2019 (4 Nov 2019 email)
Grv2020a not - Greaves, J. .
Grv2020a private communication, 2020 (14 Mar 2020 email)
Grv2020b Hg j Greaves, J. .
Grv2020b Webb Soc., Double Star Circ. 28, 23, 2020
Grv2020c Hg j Greaves, J. .
Grv2020c Webb Soc., Double Star Circ. 28, 35, 2020
Grv2020d Hg j Greaves, J. .
Grv2020d Webb Soc., Double Star Circ. 28, 39, 2020
Grv2020e Hg u Greaves, J. 2020JDSO...16..317G
Grv2020e JDSO 16, 317, 2020
Grv2020f Hg Greaves, J. 2020JDSO...16..362G
Grv2020f JDSO 16, 362, 2020
Grv2020g Hg - Greaves, J. .
Grv2020g private communication, 2020 (29 Nov 2020 email)
Grv2020h Hg - Greaves, J. .
Grv2020h private communication, 2020 (10 Dec 2020 email)
Grv2020i Hg - Greaves, J. .
Grv2020i private communication, 2020 (12 Dec 2020 email)
Grv2020j Hg - Greaves, J. .
Grv2020j private communication, 2020 (21 Dec 2020 email)
Grv2021a not - Greaves, J. .
Grv2021a private communication, 2021 (18 Feb 2021 email)
Grv2021b not - Greaves, J. .
Grv2021b private communication, 2021 (23 Feb 2021 email)
Grv2021c Hg+ - Greaves, J., Rica Romero, F.M. & Otero, S. 2021JDSO...17..137G
Grv2021c +orb JDSO 17, 137, 2021
Grv2021d Hg - Greaves, J. .
Grv2021d private communication, 2021 (23 Aug 2021 email)
Grv2021e Hg - Greaves, J. .
Grv2021e private communication, 2021 (24 Aug 2021 email)
Grv2022 Hg j Greaves, J. .
Grv2022 Webb Soc., Double Star Circ. 30, 27, 2022
Grv2023a Hg - Greaves, J. .
Grv2023a private communication, 2023 (15 Feb 2023 email)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20526+4024 GRV 391 2000 2 144 59.5 12.80 12.80 D 205237.07+402417.9
20526+4024 GRV 391 2002 3 144 59.5 12.80 12.80 D 205237.07+402417.9
20526+4024 GRV 391 2010 3 145 59.2 12.80 12.80 205237.07+402417.9
20526+4024 GRV 391 2015 4 144 59.5 12.80 12.80 205237.07+402417.9

If you need more information about this double, apply for a data request form to the WDS.

 
 
WDS 20526+4024 GRV 391 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20526+4024 GRV 391 : MEASURES
 
 
No records found.

 
 
WDS 20526+4024 : VIRTUAL EYEPIECE
 
 

20526+4024 GRV 391A mag 12.8 20526+4024 GRV 391B sep 55.0 P.A. 150.80 mag 12.8 virtual eyepiece
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 20526+4024 : ALADIN DSS IMAGE @ 20h 52m 37.07s +40° 24' 17.9"
 
 
 
 
WDS 20526+4024 GRV 391 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20526+4024 GRV 391 distance=0' 20520+4009 MLB 955 distance=17' 20544+4042 STT 420 distance=27' 20546+4042 ES 1685AB distance=30' 20546+4042 ES 1685BC distance=30' 20511+4051 TDT2578 distance=32' 20495+4035 COU2426 distance=38' 20556+4004 TDT2634 distance=40' 20498+3958 SEI1267 distance=41' 20514+3945 MLB 779AB distance=43' 20514+3945 DAM 316AC distance=43' 20514+3945 DAM 316AD distance=43' 20516+4106 ES 1683 distance=44' 20515+3944 DAM 317AB distance=44' 20515+3944 DAM 317AC distance=44' 20488+4024 ALI1192 distance=44' 20531+3940 SEI1292 distance=46' 20558+3951 LDS2469 distance=50' 20542+4111 ES 1684 distance=50' 20485+4041 ES 1682 distance=51' 20553+3944 SEI1315 distance=51' 20486+4000 TOB 198 distance=52' 20551+3941 MLB 886 distance=53' 20545+3937 BRT2281 distance=53' 20539+4115 KPP1503 distance=54' 20484+4002 J 1237BC distance=54' 20484+4002 SEI1255AB distance=54' 20555+3940 MLB 783 distance=56' 20490+3947 STF2731AB distance=56' 20490+3947 HO 596AC distance=56' 20490+3947 HO 596AD distance=56' 20481+3958 CVR 231 distance=58' 20555+4112 ES 1686 distance=58' 20549+3933 BKO 471 distance=59' 20476+4038 CNT 9 distance=59' 20544+3929 BKO 469 distance=59' 20528+3925 SEI1290 distance=60' 20547+3929 GRV 395 distance=60' 20508+4120 TDT2575 distance=60' 20514+3927 TDT2581 distance=60' 20509+4123 LDS2458 distance=62' 20555+3932 BKO 472 distance=62' 20550+3929 SEI1311 distance=63' 20510+4125 COU2427 distance=64' 20581+4043 COU2430AB distance=65' 20581+4043 COU2430AB,C distance=65' 20599+4016 HDS2989Da,Db distance=66' 20599+4016 RAO 72DE distance=66' 20576+4058 A 400 distance=66' 20577+3943 COU2429 distance=67' 20478+3944 GRV 381 distance=68' grafico limitrofi
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
Show name coord_2000 discov# comp pa sep dist(')
Show 20526+4024 GRV 391 144 59.5
Show 20520+4009 MLB 955 27 6.6 17
Show 20544+4042 STT 420 2 5.8 27
Show 20546+4042 ES 1685 AB 73 24.2 30
Show 20546+4042 ES 1685 BC 74 2.8 30
Show 20511+4051 TDT2578 81 2.6 32
Show 20495+4035 COU2426 328 1.2 38
Show 20556+4004 TDT2634 54 1.9 40
Show 20498+3958 SEI1267 308 3.1 41
Show 20514+3945 MLB 779 AB 124 9.0 43
Show 20514+3945 DAM 316 AC 79 6.3 43
Show 20514+3945 DAM 316 AD 304 13.8 43
Show 20516+4106 ES 1683 205 5.2 44
Show 20515+3944 DAM 317 AB 95 14.8 44
Show 20515+3944 DAM 317 AC 357 15.2 44
Show 20488+4024 ALI1192 2 16.5 44
Show 20531+3940 SEI1292 205 24.8 46
Show 20558+3951 LDS2469 2 3.3 50
Show 20542+4111 ES 1684 277 7.9 50
Show 20485+4041 ES 1682 152 3.1 51
Show 20553+3944 SEI1315 281 29.0 51
Show 20486+4000 TOB 198 96 21.0 52
Show 20551+3941 MLB 886 141 7.0 53
Show 20545+3937 BRT2281 73 3.6 53
Show 20539+4115 KPP1503 94 11.3 54
Show 20484+4002 J 1237 BC 355 5.6 54
Show 20484+4002 SEI1255 AB 338 24.4 54
Show 20555+3940 MLB 783 288 5.6 56
Show 20490+3947 STF2731 AB 86 4.1 56
Show 20490+3947 HO 596 AC 178 18.0 56
Show 20490+3947 HO 596 AD 247 18.2 56
Show 20481+3958 CVR 231 359 9.7 58
Show 20555+4112 ES 1686 196 7.7 58
Show 20549+3933 BKO 471 171 5.5 59
Show 20476+4038 CNT 9 292 9.0 59
Show 20544+3929 BKO 469 328 4.7 59
Show 20528+3925 SEI1290 222 14.2 60
Show 20547+3929 GRV 395 211 59.7 60
Show 20508+4120 TDT2575 4 2.6 60
Show 20514+3927 TDT2581 146 0.8 60
Show 20509+4123 LDS2458 123 14.1 62
Show 20555+3932 BKO 472 67 5.7 62
Show 20550+3929 SEI1311 247 8.8 63
Show 20510+4125 COU2427 312 0.5 64
Show 20581+4043 COU2430 AB 254 0.4 65
Show 20581+4043 COU2430 AB,C 176 3.0 65
Show 20599+4016 HDS2989 Da,Db 143 0.1 66
Show 20599+4016 RAO 72 DE 118 19.8 66
Show 20576+4058 A 400 69 1.9 66
Show 20577+3943 COU2429 209 0.8 67
Show 20478+3944 GRV 381 340 35.8 68

 
 
WDS 20526+4024 : COMPONENTS
 
 
  A
B pa=150.8°
sep=54.95"
 
 
20526+4024 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 205237.07+402417.9 Mag 12.8 PmRA -18.00
PmDE -20.0
 
 
20526+4024 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 205239.42+402329.9 Mag 12.8 PmRA -9.00
PmDE -11.0 Calc coord yes