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Doubles in session


Current system
18490+2213
GRV 241


Nearby doubles
6' : 18490+2219
TDT1068

26' : 18472+2213
JNN 119

27' : 18498+2149
BRT2449

33' : 18511+2200
TDT1086

36' : 18515+2223
TDT1090

42' : 18469+2243
TDT1052

46' : 18523+2206
TDT1096

49' : 18511+2253
COU 318

51' : 18498+2124
HU 327

54' : 18473+2125
GRV 239

58' : 18509+2305
POU3566

61' : 18449+2234
HDS2655

62' : 18494+2315
POU3559

63' : 18525+2253
GRV 242

64' : 18490+2110
STF2401AB

65' : 18491+2319
TDT1070

67' : 18523+2126
ISO 8

67' : 18443+2224
HU 1657

67' : 18515+2117
TDT1091

68' : 18492+2322
KPP2664

70' : 18442+2231
COU 209AB

72' : 18495+2325
POU3560

73' : 18494+2327
POU3557

74' : 18542+2158
TDS 952

77' : 18486+2330
HU 326AB

79' : 18467+2325
POU3546



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.

18490+2213 GRV 241

 
 
18h 49m 02.68s +22° 13' 59.3" P.A. 175.00 sep 27.1 mag 12.00,12.70
 
 
Coord 2000 18490+2213 Discov num GRV 241 Comp Coord arcsec 2000 18 49 02.68 +22 13 59.3
Date first 1951 Date last 2015 Obs 11
Pa first 173 Pa last 175.3 P.A. Now (θ) 175.3°
Sep first 28.2 Sep last 27.146 Sep. Now (ρ) 27.146"
Mag pri 12.00 Mag sec 12.70 delta mag (ΔM) 0.7 Spectral class
Pri motion ra +014 Sec motion ra +011
Pri motion dec -028 Sec motion dec -018
Notes U (Proper motion indicates non-physical)
rPM=0.334
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Hercules Gaia DR2 4531534919297419520
 
 
WDS 18490+2213 GRV 241 : 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
18490+2213 GRV 241 2000 2 175 27.4 12.00 12.70 D 184902.68+221359.3
18490+2213 GRV 241 2001 3 175 27.4 12.00 12.70 D 184902.68+221359.3
18490+2213 GRV 241 2010 6 175 27.2 12.00 12.70 U 184902.68+221359.3
18490+2213 GRV 241 2015 7 175 27.2 12.00 12.70 U 184902.68+221359.3

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

 
 
WDS 18490+2213 GRV 241 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18490+2213 GRV 241 : MEASURES
 
 
No records found.

 
 
WDS 18490+2213 : VIRTUAL EYEPIECE
 
 

18490+2213 GRV 241A mag 12 18490+2213 GRV 241B sep 27.1 P.A. 175.60 mag 12.7 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 18490+2213 : ALADIN DSS IMAGE @ 18h 49m 02.68s +22° 13' 59.3"
 
 
 
 
WDS 18490+2213 GRV 241 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18490+2213 GRV 241 distance=0' 18490+2219 TDT1068 distance=6' 18472+2213 JNN 119 distance=26' 18498+2149 BRT2449 distance=27' 18511+2200 TDT1086 distance=33' 18515+2223 TDT1090 distance=36' 18469+2243 TDT1052 distance=42' 18523+2206 TDT1096 distance=46' 18511+2253 COU 318 distance=49' 18498+2124 HU 327 distance=51' 18473+2125 GRV 239 distance=54' 18509+2305 POU3566 distance=58' 18449+2234 HDS2655 distance=61' 18494+2315 POU3559 distance=62' 18525+2253 GRV 242 distance=63' 18490+2110 STF2401AB distance=64' 18490+2110 STF2401AC distance=64' 18491+2319 TDT1070 distance=65' 18523+2126 ISO 8 distance=67' 18443+2224 HU 1657 distance=67' 18515+2117 TDT1091 distance=67' 18492+2322 KPP2664 distance=68' 18442+2231 COU 209AB distance=70' 18442+2231 COU 209AC distance=70' 18495+2325 POU3560 distance=72' 18494+2327 POU3557 distance=73' 18542+2158 TDS 952 distance=74' 18486+2330 HU 326AB distance=77' 18486+2330 LBU 7AB,C distance=77' 18486+2330 LBU 7AB,D distance=77' 18467+2325 POU3546 distance=79' 18455+2316 POU3532 distance=80' 18462+2323 POU3540 distance=80' 18527+2112 TDT1103 distance=81' 18451+2313 POU3527 distance=81' 18509+2058 COU 317AB distance=81' 18509+2058 COU 317AC distance=81' 18487+2053 RAS 27 distance=81' 18523+2323 POU3572 distance=83' 18547+2239 MKT 9Aa,Ab distance=83' 18547+2239 BU 646AB distance=83' 18547+2239 BU 646AC distance=83' 18476+2335 HJ 2841 distance=83' 18547+2239 BU 646BC distance=84' 18452+2318 WLY 13 distance=84' 18497+2337 POU3561 distance=84' 18445+2310 POU3517 distance=85' 18453+2321 POU3530 distance=86' 18467+2333 POU3545 distance=86' 18451+2323 POU3525 distance=88' 18465+2334 POU3543 distance=89' 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 18490+2213 GRV 241 175 27.1
Show 18490+2219 TDT1068 15 0.5 6
Show 18472+2213 JNN 119 270 0.4 26
Show 18498+2149 BRT2449 229 3.9 27
Show 18511+2200 TDT1086 117 0.6 33
Show 18515+2223 TDT1090 306 0.8 36
Show 18469+2243 TDT1052 77 0.5 42
Show 18523+2206 TDT1096 313 1.6 46
Show 18511+2253 COU 318 286 3.4 49
Show 18498+2124 HU 327 60 0.3 51
Show 18473+2125 GRV 239 244 7.6 54
Show 18509+2305 POU3566 133 15.6 58
Show 18449+2234 HDS2655 196 0.3 61
Show 18494+2315 POU3559 86 9.7 62
Show 18525+2253 GRV 242 179 26.2 63
Show 18490+2110 STF2401 AB 38 4.1 64
Show 18490+2110 STF2401 AC 149 92.9 64
Show 18491+2319 TDT1070 322 1.4 65
Show 18523+2126 ISO 8 138 0.2 67
Show 18443+2224 HU 1657 244 0.3 67
Show 18515+2117 TDT1091 297 0.7 67
Show 18492+2322 KPP2664 243 25.0 68
Show 18442+2231 COU 209 AB 38 2.1 70
Show 18442+2231 COU 209 AC 204 39.8 70
Show 18495+2325 POU3560 70 12.7 72
Show 18494+2327 POU3557 326 10.8 73
Show 18542+2158 TDS 952 70 1.1 74
Show 18486+2330 HU 326 AB 253 0.1 77
Show 18486+2330 LBU 7 AB,C 333 68.8 77
Show 18486+2330 LBU 7 AB,D 23 84.7 77
Show 18467+2325 POU3546 48 11.5 79
Show 18455+2316 POU3532 211 9.8 80
Show 18462+2323 POU3540 213 11.9 80
Show 18527+2112 TDT1103 278 1.3 81
Show 18451+2313 POU3527 266 9.4 81
Show 18509+2058 COU 317 AB 94 1.5 81
Show 18509+2058 COU 317 AC 2 17.3 81
Show 18487+2053 RAS 27 218 1.2 81
Show 18523+2323 POU3572 2 13.0 83
Show 18547+2239 MKT 9 Aa,Ab 271 0.0 83
Show 18547+2239 BU 646 AB 37 34.4 83
Show 18547+2239 BU 646 AC 23 36.9 83
Show 18476+2335 HJ 2841 254 10.5 83
Show 18547+2239 BU 646 BC 316 9.1 84
Show 18452+2318 WLY 13 263 11.1 84
Show 18497+2337 POU3561 357 16.8 84
Show 18445+2310 POU3517 310 6.2 85
Show 18453+2321 POU3530 301 11.3 86
Show 18467+2333 POU3545 244 6.3 86
Show 18451+2323 POU3525 233 10.2 88
Show 18465+2334 POU3543 30 8.5 89

 
 
WDS 18490+2213 : COMPONENTS
 
 
  A
B pa=175.6°
sep=27.13"
 
 
18490+2213 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 184902.68+221359.3 Mag 12 PmRA 14.00
PmDE -28.0
 
 
18490+2213 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 184902.83+221332.2 Mag 12.7 PmRA 11.00
PmDE -18.0 Calc delta mag 0.7 Calc coord yes