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Doubles in session


Current system
21208+4206
GRV 453


Nearby doubles
10' : 21206+4215
LDS2511AB

10' : 21202+4207
ES 1584

14' : 21206+4219
WSI 16

26' : 21197+4228
ES 1583AB

30' : 21213+4235
LDS2513

36' : 21235+4147
TDT2939

39' : 21183+4140
COU2302AB

40' : 21209+4127
HO 156

42' : 21171+4206
TDT2883

46' : 21207+4251
GRV 452

48' : 21183+4244
HJ 1634

49' : 21195+4253
FOX 259AB

52' : 21169+4140
POP 186AB

55' : 21214+4301
ES 1585AB

56' : 21161+4224
ES 1582

58' : 21232+4258
COU2304AB

59' : 21261+4203
COU2307

60' : 21256+4138
A 618

60' : 21155+4205
TDT2861

61' : 21155+4202
HJL1106

62' : 21199+4307
COU2439

62' : 21193+4108
TDT2901

62' : 21260+4144
BLL 54

64' : 21218+4309
STT 438

64' : 21163+4129
ES 1688

65' : 21250+4122
ES 1692



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.

21208+4206 GRV 453

 
 
21h 20m 52.81s +42° 06' 23.4" P.A. 27.00 sep 66.2 mag 12.11,14.05
 
 
Coord 2000 21208+4206 Discov num GRV 453 Comp Coord arcsec 2000 21 20 52.81 +42 06 23.4
Date first 1998 Date last 2015 Obs 7
Pa first 27 Pa last 27.3 P.A. Now (θ) 27.3°
Sep first 66.1 Sep last 66.193 Sep. Now (ρ) 66.193"
Mag pri 12.11 Mag sec 14.05 delta mag (ΔM) 1.94 Spectral class
Pri motion ra -017 Sec motion ra -019
Pri motion dec -038 Sec motion dec -030
Notes
rPM=0.198 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Gaia DR2 1968846341741346432
 
 
WDS 21208+4206 GRV 453 : 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
21208+4206 GRV 453 2000 2 27 66.1 11.70 13.80 D 212052.81+420623.4
21208+4206 GRV 453 2002 3 28 66.0 11.70 13.80 D 212052.81+420623.4
21208+4206 GRV 453 2010 3 27 66.1 12.11 14.05 212052.81+420623.4
21208+4206 GRV 453 2015 4 27 66.2 12.11 14.05 212052.81+420623.4

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

 
 
WDS 21208+4206 GRV 453 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21208+4206 GRV 453 : MEASURES
 
 
No records found.

 
 
WDS 21208+4206 : VIRTUAL EYEPIECE
 
 

21208+4206 GRV 453A mag 12.11 21208+4206 GRV 453B sep 63.0 P.A. 21.00 mag 14.05 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 21208+4206 : ALADIN DSS IMAGE @ 21h 20m 52.81s +42° 06' 23.4"
 
 
 
 
WDS 21208+4206 GRV 453 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21208+4206 GRV 453 distance=0' 21206+4215 LDS2511AB distance=10' 21206+4215 LDS2511AC distance=10' 21202+4207 ES 1584 distance=10' 21206+4219 WSI 16 distance=14' 21197+4228 ES 1583BC distance=26' 21197+4228 ES 1583AB distance=26' 21197+4228 ABH 144AD distance=26' 21197+4228 ABH 144AE distance=26' 21197+4228 ABH 144AF distance=26' 21197+4228 ABH 144AG distance=26' 21197+4228 ABH 144AH distance=26' 21197+4228 ABH 144AI distance=26' 21197+4228 ABH 144AJ distance=26' 21197+4228 ABH 144AK distance=26' 21197+4228 ES 1583AC distance=26' 21213+4235 LDS2513 distance=30' 21235+4147 TDT2939 distance=36' 21183+4140 COU2302AB distance=39' 21183+4140 GII 30AB,C distance=39' 21209+4127 HO 156 distance=40' 21171+4206 TDT2883 distance=42' 21207+4251 GRV 452 distance=46' 21183+4244 HJ 1634 distance=48' 21195+4253 FOX 259AB distance=49' 21169+4140 POP 186CD distance=51' 21169+4140 POP 186AB distance=52' 21169+4140 POP 186AC distance=52' 21214+4301 ES 1585BC distance=55' 21214+4301 ES 1585AB distance=55' 21214+4301 ES 1585AC distance=55' 21161+4224 ES 1582 distance=56' 21232+4258 COU2304AB distance=58' 21232+4258 GII 32AB,C distance=58' 21261+4203 COU2307 distance=59' 21256+4138 A 618 distance=60' 21155+4205 TDT2861 distance=60' 21155+4202 HJL1106 distance=61' 21199+4307 COU2439 distance=62' 21193+4108 TDT2901 distance=62' 21260+4144 BLL 54 distance=62' 21218+4309 STT 438 distance=64' 21163+4129 ES 1688 distance=64' 21250+4122 ES 1692 distance=65' 21200+4308 LDS2509 distance=65' 21178+4302 A 616 distance=66' 21157+4135 POP 170 distance=66' 21151+4227 COU2228 distance=67' 21192+4102 HO 602 distance=68' 21189+4102 HO 601AB distance=68' 21189+4102 HO 601AC 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 21208+4206 GRV 453 27 66.2
Show 21206+4215 LDS2511 AB 40 3.0 10
Show 21206+4215 LDS2511 AC 197 19.7 10
Show 21202+4207 ES 1584 116 5.4 10
Show 21206+4219 WSI 16 149 8.2 14
Show 21197+4228 ES 1583 BC 77 6.0 26
Show 21197+4228 ES 1583 AB 238 13.0 26
Show 21197+4228 ABH 144 AD 112 64.4 26
Show 21197+4228 ABH 144 AE 219 27.2 26
Show 21197+4228 ABH 144 AF 245 62.8 26
Show 21197+4228 ABH 144 AG 238 82.9 26
Show 21197+4228 ABH 144 AH 22 41.7 26
Show 21197+4228 ABH 144 AI 117 69.6 26
Show 21197+4228 ABH 144 AJ 112 81.2 26
Show 21197+4228 ABH 144 AK 98 101.4 26
Show 21197+4228 ES 1583 AC 223 7.6 26
Show 21213+4235 LDS2513 246 7.1 30
Show 21235+4147 TDT2939 174 0.4 36
Show 21183+4140 COU2302 AB 63 1.3 39
Show 21183+4140 GII 30 AB,C 187 14.1 39
Show 21209+4127 HO 156 50 2.2 40
Show 21171+4206 TDT2883 112 0.9 42
Show 21207+4251 GRV 452 162 59.2 46
Show 21183+4244 HJ 1634 143 28.9 48
Show 21195+4253 FOX 259 AB 307 12.5 49
Show 21169+4140 POP 186 CD 93 4.2 51
Show 21169+4140 POP 186 AB 297 10.7 52
Show 21169+4140 POP 186 AC 130 60.7 52
Show 21214+4301 ES 1585 BC 202 8.4 55
Show 21214+4301 ES 1585 AB 230 19.2 55
Show 21214+4301 ES 1585 AC 221 26.9 55
Show 21161+4224 ES 1582 134 3.5 56
Show 21232+4258 COU2304 AB 154 0.4 58
Show 21232+4258 GII 32 AB,C 49 5.4 58
Show 21261+4203 COU2307 21 1.2 59
Show 21256+4138 A 618 276 0.6 60
Show 21155+4205 TDT2861 287 2.4 60
Show 21155+4202 HJL1106 183 459.8 61
Show 21199+4307 COU2439 266 0.8 62
Show 21193+4108 TDT2901 306 0.5 62
Show 21260+4144 BLL 54 296 80.7 62
Show 21218+4309 STT 438 357 2.2 64
Show 21163+4129 ES 1688 147 5.3 64
Show 21250+4122 ES 1692 313 3.8 65
Show 21200+4308 LDS2509 176 1.9 65
Show 21178+4302 A 616 316 2.7 66
Show 21157+4135 POP 170 75 1.4 66
Show 21151+4227 COU2228 28 0.5 67
Show 21192+4102 HO 602 27 4.2 68
Show 21189+4102 HO 601 AB 176 17.1 68
Show 21189+4102 HO 601 AC 82 56.7 68

 
 
WDS 21208+4206 : COMPONENTS
 
 
  A
B pa=21.0°
sep=62.98"
 
 
21208+4206 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 212052.81+420623.4 Mag 12.11 PmRA -17.00
PmDE -38.0
 
 
21208+4206 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 212054.83+420722.2 Mag 14.05 PmRA -19.00
PmDE -30.0 Calc delta mag 1.94 Calc coord yes