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Current system
20172+2415
HDS 2893 AB


Nearby doubles
5' : 20172+2411
POU4339

8' : 20169+2410
POU4335

10' : 20165+2415
POU4327

10' : 20166+2412
POU4328

11' : 20165+2416
POU4325

11' : 20167+2425
BRT3356

14' : 20182+2411
POU4347

16' : 20170+2401
POU4337

16' : 20180+2429
OL 123

17' : 20160+2416
POU4322AB

19' : 20159+2414
POU4321

21' : 20185+2426
POU4354

21' : 20169+2356
POU4334

21' : 20159+2406
TDT2128

21' : 20158+2407
POU4319

21' : 20166+2433
POU4330

23' : 20167+2354
POU4332

25' : 20184+2435
POU4351AB

27' : 20162+2437
POU4324

28' : 20193+2417
POU4362

30' : 20158+2437
BKO 819

31' : 20153+2428
POU4312AB

33' : 20153+2432
POU4313

33' : 20150+2424
POU4309AB

33' : 20158+2441
POU4320

33' : 20155+2437
POU4315



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.

20172+2415 HDS 2893 AB

 
 
20h 17m 13.11s +24° 15' 06.9" P.A. 168.00 sep 0.3 mag 9.19,11.49 dist. 398.41 pc (1299.61 l.y.)
 
 
Coord 2000 20172+2415 Discov num HDS2893 Comp AB Coord arcsec 2000 20 17 13.11 +24 15 06.9
Date first 1991 Date last 2009 Obs 3
Pa first 164 Pa last 168.4 P.A. Now (θ) 168.4°
Sep first 0.3 Sep last 0.31 Sep. Now (ρ) 0.31"
Mag pri 9.19 Mag sec 11.49 delta mag (ΔM) 2.3 Spectral class
Pri motion ra -013 Sec motion ra
Pri motion dec -016 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
20172+2415 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 88457 20 17 13 +24 15 07 HDS 2893 AB 2009 3 168 0.3 9.19 11.49 2.30 <===
Show HD 346234 88457 20 17 13 +24 15 07 GRV 326 AC 2015 17 262 34.8 9.19 10.22 1.03
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Vulpecula SAO 88457 HIP 99998 Tycho2 2155-00725-1
Gaia DR2 1832140040958762240 HD 193013 BD BD+23 3956 Distance 398.41
Distance ly 1299.61
 
 
WDS 20172+2415 HDS 2893 AB : 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)
HDS Hipparcos Double Star (from additional DD list) ...................
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20172+2415 HDS2893 AB 1997 2 172 0.2 9.19 11.49 201713.11+241506.9
20172+2415 HDS2893 AB 2009 3 168 0.3 9.19 11.49 201713.11+241506.9

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

 
 
WDS 20172+2415 HDS 2893 AB : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20172+2415 HDS 2893 AB : MEASURES
 
 
No records found.

 
 
WDS 20172+2415 : VIRTUAL EYEPIECE
 
 

20172+2415 HDS2893A mag 9.19 20172+2415 HDS2893B sep 0.3 P.A. 169.40 mag 11.49 20172+2415 GRV 326C sep 31.8 P.A. 261.70 mag 10.22 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 20172+2415 : ALADIN DSS IMAGE @ 20h 17m 13.11s +24° 15' 06.9"
 
 
 
 
WDS 20172+2415 HDS 2893 AB : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20172+2415 HDS2893AB distance=1' 20172+2415 GRV 326AC distance=1' 20172+2411 POU4339 distance=5' 20169+2410 POU4335 distance=8' 20165+2415 POU4327 distance=10' 20166+2412 POU4328 distance=10' 20165+2416 POU4325 distance=11' 20167+2425 BRT3356 distance=11' 20182+2411 POU4347 distance=14' 20170+2401 POU4337 distance=16' 20180+2429 OL 123 distance=16' 20160+2416 POU4322AB distance=17' 20159+2414 POU4321 distance=19' 20185+2426 POU4354 distance=21' 20169+2356 POU4334 distance=21' 20159+2406 TDT2128 distance=21' 20158+2407 POU4319 distance=21' 20166+2433 POU4330 distance=21' 20167+2354 POU4332 distance=23' 20184+2435 POU4351AB distance=25' 20184+2435 BKO 638BC distance=25' 20162+2437 POU4324 distance=27' 20193+2417 POU4362 distance=28' 20158+2437 BKO 819 distance=30' 20153+2428 POU4312AB distance=31' 20153+2428 BKO 818AC distance=31' 20153+2428 BKO 818AD distance=31' 20153+2432 POU4313 distance=33' 20150+2424 POU4309AB distance=33' 20150+2424 POU4310AC distance=33' 20150+2424 BKO 817AD distance=33' 20158+2441 POU4320 distance=33' 20155+2437 POU4315 distance=33' 20150+2428 POU4311 distance=34' 20189+2351 POU4358 distance=34' 20197+2408 BKO 640 distance=34' 20155+2439 POU4317 distance=34' 20170+2340 POU4336 distance=36' 20182+2342 POU4346 distance=37' 20183+2449 POU4349 distance=37' 20180+2450 BKO 821 distance=37' 20192+2441 A 391AB distance=38' 20192+2441 BKO 824AC distance=38' 20200+2413 POU4376 distance=38' 20145+2414 POU4301 distance=38' 20193+2443 POU4361 distance=40' 20199+2402 POU4375 distance=40' 20145+2359 POU4302 distance=41' 20201+2421 POU4377 distance=41' 20201+2424 HJ 2952 distance=41' 20194+2446 POU4366 distance=43' 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 20172+2415 HDS2893 AB 168 0.3 1
Show 20172+2415 GRV 326 AC 262 34.8 1
Show 20172+2411 POU4339 357 12.1 5
Show 20169+2410 POU4335 93 11.7 8
Show 20165+2415 POU4327 172 18.9 10
Show 20166+2412 POU4328 121 15.5 10
Show 20165+2416 POU4325 104 11.6 11
Show 20167+2425 BRT3356 314 3.8 11
Show 20182+2411 POU4347 325 15.8 14
Show 20170+2401 POU4337 124 9.7 16
Show 20180+2429 OL 123 337 5.3 16
Show 20160+2416 POU4322 AB 94 7.8 17
Show 20159+2414 POU4321 251 14.5 19
Show 20185+2426 POU4354 113 12.5 21
Show 20169+2356 POU4334 223 19.6 21
Show 20159+2406 TDT2128 324 2.0 21
Show 20158+2407 POU4319 166 8.0 21
Show 20166+2433 POU4330 307 14.3 21
Show 20167+2354 POU4332 308 10.4 23
Show 20184+2435 POU4351 AB 88 6.8 25
Show 20184+2435 BKO 638 BC 21 6.2 25
Show 20162+2437 POU4324 189 17.8 27
Show 20193+2417 POU4362 179 20.6 28
Show 20158+2437 BKO 819 96 8.2 30
Show 20153+2428 POU4312 AB 222 19.9 31
Show 20153+2428 BKO 818 AC 27 8.3 31
Show 20153+2428 BKO 818 AD 187 17.2 31
Show 20153+2432 POU4313 329 12.1 33
Show 20150+2424 POU4309 AB 72 7.0 33
Show 20150+2424 POU4310 AC 39 17.8 33
Show 20150+2424 BKO 817 AD 312 5.2 33
Show 20158+2441 POU4320 52 19.2 33
Show 20155+2437 POU4315 95 4.4 33
Show 20150+2428 POU4311 38 11.1 34
Show 20189+2351 POU4358 150 18.2 34
Show 20197+2408 BKO 640 356 10.3 34
Show 20155+2439 POU4317 96 4.6 34
Show 20170+2340 POU4336 206 15.6 36
Show 20182+2342 POU4346 293 16.7 37
Show 20183+2449 POU4349 14 10.2 37
Show 20180+2450 BKO 821 229 5.2 37
Show 20192+2441 A 391 AB 278 0.9 38
Show 20192+2441 BKO 824 AC 264 8.4 38
Show 20200+2413 POU4376 177 13.1 38
Show 20145+2414 POU4301 81 17.2 38
Show 20193+2443 POU4361 234 21.6 40
Show 20199+2402 POU4375 31 7.6 40
Show 20145+2359 POU4302 107 15.5 41
Show 20201+2421 POU4377 192 15.1 41
Show 20201+2424 HJ 2952 282 20.6 41
Show 20194+2446 POU4366 258 13.2 43

 
 
WDS 20172+2415 : COMPONENTS
 
 
  A B
B pa=169.4°
sep=0.31"
 
C pa=261.7°
sep=31.82"
pa=262.2°
sep=31.83"
 
 
20172+2415 A
 
 
Coord arcsec 2000 201713.11+241506.9 Mag 9.19 PmRA -13.00 PmDE -16.0
SAO 88457 HIP 99998 Tycho2 2155-00725-1 HD 193013
BD BD+23 3956
Tycho2
Tycho2 2155-00725-1 Pflag RAmdeg 304.30461532 DEmdeg 24.25193579
PmRA -13.3 PmDE -16.1 E RAmdeg 8 E DEmdeg 7
E pmRA 1.0 E pmDE 1.0 EpRAm 1990.59 EpDEm 1990.88
Num 10 Q RAmdeg 0.5 Q DEmdeg 0.9 Q pmRA 0.6
Q pmDE 0.8 BTmag 9.260 E BTmag 0.017 VTmag 9.003
E VTmag 0.014 Prox 349 TYC T HIP 99998
CCDM AB RAdeg 304.30464944 DEdeg 24.25197306 EpRA 1990 1.58
EpDE 1990 1.68 E RAdeg 8.0 E DEdeg 7.0 Posflg P
Corr 0.0
SAO
SAO 88457 DelFlag RA1950 PmRA1950 -0.0011
DE1950 PmDE1950 -0.026 Vmag 9 SpType A3
Double code Source 35 CatNum 7609 DM BD+23 3956
DMcomp BDsup HD 193013 M HD 0
GC RA1950rad 5.30174489 DE1950rad 0.42055917 PmRA2000 -0.001
PmDE2000 -0.029
Hipparcos
Catalog H HIP 99998 Proxy H RAhms 20 17 13.12
DEdms +24 15 07.1 Vmag 8.99 VarFlag R Vmag H
RAdeg 304.305 DEdeg 24.252 AstroRef * Plx 1.81
CCDM 20172+2415 N CCDM H Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 164 Rho 0.283 HD 193013 BD BD+23 3956
CD CP Dm number +23 3956 VIred 0.34
SpType R SpType Coord arcsec 2000 201713.12+241507.1
Hipparcos 2
HIP 99998 Sn 55 So 3 Nc 2
RArad 5.3111180849 DErad 0.4232768506 Plx 2.51 PmRA -13.69
PmDE -19.28 E RArad 0.83 E DErad 0.98 E Plx 1.36
E pmRA 1.02 E pmDE 1.14 Hpmag 9.0663 E Hpmag 0.0026
SHp 0.027 VA 0 BV 0.264 E BV 0.02
VI 0.3
CCDM
Ccdm 20172+2415 RComp Comp A Note1
Note2 Discov num DRAs 1.11 DDEs 7.0
R dRAs 82 Year Theta Rho
Obs 2 Vmag 9.2 Sp PmNote *
PmRA -12 PmDE -19 Dm number +23 3956 Cat1 BD
Name2 +24 2168 Cat2 AGK2/3 HD 193013 M HD
ADS BDS M ADS BDS N IDS IDS
HIC 99998
 
 
20172+2415 B
 
 
Coord arcsec 2000 201713.11+241506.6 Mag 11.49 Calc delta mag 2.3 Calc coord yes
CCDM
Ccdm 20172+2415 RComp Comp B Note1
Note2 Discov num HDS DRAs 1.12 DDEs 6.7
R dRAs 82 Year 1991 Theta 164 Rho 0.3
Obs 1 Vmag 11.5 Sp PmNote *
PmRA -12 PmDE -19 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS
HIC 99998
 
 
20172+2415 C
 
 
Coord arcsec 2000 201710.81+241502.3 Mag 10.22 PmRA -11.00 PmDE -18.0
Tycho2 2155-00395-1 HD 346234 Calc delta mag 1.03 Calc coord yes
Tycho2
Tycho2 2155-00395-1 Pflag RAmdeg 304.29409247 DEmdeg 24.25064132
PmRA -11.9 PmDE -18.3 E RAmdeg 20 E DEmdeg 18
E pmRA 1.1 E pmDE 1.1 EpRAm 1985.97 EpDEm 1987.82
Num 8 Q RAmdeg 0.9 Q DEmdeg 0.8 Q pmRA 1.0
Q pmDE 0.8 BTmag 10.767 E BTmag 0.037 VTmag 10.221
E VTmag 0.031 Prox 349 TYC T HIP
CCDM RAdeg 304.29412333 DEdeg 24.25068139 EpRA 1990 1.56
EpDE 1990 1.72 E RAdeg 23.4 E DEdeg 18.7 Posflg
Corr 0.0