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Doubles in session


Current system
19180-2504
HDS 2730
HD 180570


Nearby doubles
25' : 19171-2443
RST3219

27' : 19161-2510
BRT3084AB

28' : 19164-2521
HJ 5101AB

29' : 19167-2526
HWE 89

36' : 19155-2515
B 430

39' : 19204-2526
UC 3893

47' : 19210-2441
LDS 677

60' : 19191-2602
B 2876

61' : 19155-2554
RST2097

64' : 19156-2411
LLO 18
Gumala

64' : 19134-2452
KPP 436

72' : 19139-2548
B 2475AB

76' : 19159-2355
BRT1547

81' : 19127-2540
RSS 516

85' : 19132-2554
BRT3083

89' : 19156-2342
OCC 648

94' : 19221-2619
UC 3906

94' : 19123-2554
RST2095

96' : 19152-2337
DON 955AB

96' : 19242-2416
RST3224

99' : 19115-2421
UC 3840

99' : 19232-2614
RST2108

100' : 19108-2448
TDT1280

101' : 19108-2442
TDS 976

105' : 19117-2604
RST2094

105' : 19253-2431
FIN 327



Selections
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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.

19180-2504 HDS 2730 (HD 180570)

 
 
19h 18m 02.17s -25° 04' 19.9" P.A. 90.00 sep 0.5 mag 8.95,11.77 Sp A7V dist. 297.62 pc (970.84 l.y.)
 
 
Coord 2000 19180-2504 Discov num HDS2730 Comp Coord arcsec 2000 19 18 02.17 -25 04 19.9
Date first 1991 Date last 2016 Obs 3
Pa first 88 Pa last 89.9 P.A. Now (θ) 89.9°
Sep first 0.4 Sep last 0.472 Sep. Now (ρ) 0.472"
Mag pri 8.95 Mag sec 11.77 delta mag (ΔM) 2.82 Spectral class A7V (white)
Pri motion ra +005 Sec motion ra
Pri motion dec -021 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 180570 Constellation Sagittarius SAO 187935 HIP 94853
Tycho2 6879-01859-1 Gaia DR2 6769456010022671488 HD 180570 CD CD-2513911
CP CP-25 6752 Distance 297.62 Distance ly 970.84
 
 
WDS 19180-2504 HDS 2730 (HD 180570) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
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
19180-2504 HDS2730 1991 1 88 0.4 8.95 11.77 A7V D 191802.17-250419.9
19180-2504 HDS2730 2014 2 89 0.5 8.95 11.77 A7V 191802.17-250419.9
19180-2504 HDS2730 2016 3 90 0.5 8.95 11.77 A7V 191802.17-250419.9

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

 
 
WDS 19180-2504 HDS 2730 (HD 180570) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 19180-2504 HDS 2730 (HD 180570) : MEASURES
 
 
No records found.

 
 
WDS 19180-2504 (HD 180570) : VIRTUAL EYEPIECE
 
 

19180-2504 HDS2730A mag 8.95 Sp A7V 19180-2504 HDS2730B sep 0.4 P.A. 89.90 mag 11.77 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 19180-2504 (HD 180570) : ALADIN DSS IMAGE @ 19h 18m 02.17s -25° 04' 19.9"
 
 
 
 
WDS 19180-2504 HDS 2730 (HD 180570) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

19180-2504 HDS2730 distance=0' 19171-2443 RST3219 distance=25' 19161-2510 J 1841AC distance=27' 19161-2510 BRT3084AB distance=27' 19164-2521 HJ 5101AB distance=28' 19164-2521 HJ 5101Aa,Ab distance=28' 19167-2526 HWE 89 distance=29' 19155-2515 B 430 distance=36' 19204-2526 UC 3893 distance=39' 19210-2441 LDS 677 distance=47' 19191-2602 B 2876 distance=60' 19155-2554 RST2097 distance=61' 19156-2411 LLO 18 (Gumala) distance=64' 19134-2452 KPP 436 distance=64' 19139-2548 B 2475AB distance=72' 19139-2548 B 2475Aa,Ab distance=72' 19159-2355 BRT1547 distance=76' 19127-2540 RSS 516 distance=81' 19132-2554 BRT3083 distance=85' 19156-2342 OCC 648 distance=89' 19221-2619 UC 3906 distance=94' 19123-2554 RST2095 distance=94' 19152-2337 DON 955AB distance=96' 19152-2337 DON 955AC distance=96' 19242-2416 RST3224 distance=96' 19115-2421 UC 3840 distance=99' 19232-2614 RST2108 distance=99' 19108-2448 TDT1280 distance=100' 19108-2442 TDS 976 distance=101' 19117-2604 RST2094 distance=105' 19253-2431 FIN 327 distance=105' 19222-2337 ARA2258 distance=106' 19251-2551 UC 3924 distance=107' 19109-2555 OCC 65 distance=109' 19251-2410 ALD 74 distance=110' 19128-2631 OCC 691 distance=112' 19218-2324 ARA2257 distance=114' 19099-2436 OCC 770 distance=115' 19153-2313 LDS 674 distance=119' 19097-2540 UC 3827 distance=119' 19261-2418 KPP2171 distance=120' 19146-2306 UC 3862 distance=128' 19212-2704 B 434 distance=128' 19212-2303 UC 3899 distance=130' 19198-2256 UC 3885 distance=130' 19263-2355 KPP 440 distance=133' 19241-2319 B 435 distance=134' 19145-2713 UC 3861 distance=137' 19133-2707 UC 3850 distance=139' 19267-2619 SEE 375 distance=139' 19273-2401 RST3227 distance=141' 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 19180-2504 HDS2730 90 0.5
Show 19171-2443 RST3219 358 4.9 25
Show 19161-2510 J 1841 AC 286 25.1 27
Show 19161-2510 BRT3084 AB 314 4.1 27
Show 19164-2521 HJ 5101 AB 305 21.4 28
Show 19164-2521 HJ 5101 Aa,Ab 128 0.7 28
Show 19167-2526 HWE 89 20 2.8 29
Show 19155-2515 B 430 104 0.2 36
Show 19204-2526 UC 3893 45 36.6 39
Show 19210-2441 LDS 677 149 71.0 47
Show 19191-2602 B 2876 339 12.0 60
Show 19155-2554 RST2097 184 3.3 61
Show Gumala 19156-2411 LLO 18 69 14.3 64
Show 19134-2452 KPP 436 182 3.5 64
Show 19139-2548 B 2475 AB 214 8.2 72
Show 19139-2548 B 2475 Aa,Ab 118 0.4 72
Show 19159-2355 BRT1547 293 5.1 76
Show 19127-2540 RSS 516 329 10.8 81
Show 19132-2554 BRT3083 63 2.9 85
Show 19156-2342 OCC 648 -1 0.0 89
Show 19221-2619 UC 3906 89 29.8 94
Show 19123-2554 RST2095 328 1.2 94
Show 19152-2337 DON 955 AB 10 1.4 96
Show 19152-2337 DON 955 AC 126 7.0 96
Show 19242-2416 RST3224 119 1.1 96
Show 19115-2421 UC 3840 257 44.3 99
Show 19232-2614 RST2108 284 3.4 99
Show 19108-2448 TDT1280 115 0.6 100
Show 19108-2442 TDS 976 342 1.1 101
Show 19117-2604 RST2094 150 0.1 105
Show 19253-2431 FIN 327 259 0.1 105
Show 19222-2337 ARA2258 225 10.6 106
Show 19251-2551 UC 3924 286 46.8 107
Show 19109-2555 OCC 65 -1 0.1 109
Show 19251-2410 ALD 74 348 4.1 110
Show 19128-2631 OCC 691 -1 0.1 112
Show 19218-2324 ARA2257 260 7.2 114
Show 19099-2436 OCC 770 -1 0.1 115
Show 19153-2313 LDS 674 159 5.8 119
Show 19097-2540 UC 3827 330 43.4 119
Show 19261-2418 KPP2171 202 17.8 120
Show 19146-2306 UC 3862 136 11.8 128
Show 19212-2704 B 434 349 0.6 128
Show 19212-2303 UC 3899 62 75.7 130
Show 19198-2256 UC 3885 83 14.7 130
Show 19263-2355 KPP 440 123 3.3 133
Show 19241-2319 B 435 87 3.6 134
Show 19145-2713 UC 3861 167 36.7 137
Show 19133-2707 UC 3850 125 31.2 139
Show 19267-2619 SEE 375 168 12.7 139
Show 19273-2401 RST3227 165 2.1 141

 
 
WDS 19180-2504 : COMPONENTS
 
 
  A
B pa=89.9°
sep=0.43"
 
 
19180-2504 A
 
 
Componente originario normalizzato AB Name HD 180570 Coord arcsec 2000 191802.17-250419.9 Mag 8.95
Spectral class A7V (white) PmRA 5.00 PmDE -21.0 SAO 187935
HIP 94853 Tycho2 6879-01859-1 HD 180570 CD CD-2513911
CP CP-25 6752
Tycho2
Tycho2 6879-01859-1 Pflag RAmdeg 289.50908461 DEmdeg -25.07225679
PmRA 9.5 PmDE -21.9 E RAmdeg 10 E DEmdeg 12
E pmRA 1.3 E pmDE 1.3 EpRAm 1989.28 EpDEm 1988.77
Num 10 Q RAmdeg 1.1 Q DEmdeg 1.0 Q pmRA 1.1
Q pmDE 1.0 BTmag 9.160 E BTmag 0.022 VTmag 8.861
E VTmag 0.020 Prox 999 TYC T HIP 94853
CCDM AB RAdeg 289.50905972 DEdeg -25.07220500 EpRA 1990 1.73
EpDE 1990 1.61 E RAdeg 10.5 E DEdeg 12.8 Posflg P
Corr 0.0
SAO
SAO 187935 DelFlag RA1950 PmRA1950 0.0017
DE1950 PmDE1950 0.003 Vmag 8.5 SpType A3
Double code Source 25 CatNum 13423 DM CD-2513911
DMcomp BDsup HD 180570 M HD 0
GC RA1950rad 5.03955053 DE1950rad -0.43917774 PmRA2000 0.0016
PmDE2000 0.002
Hipparcos
Catalog H HIP 94853 Proxy H RAhms 19 18 02.17
DEdms -25 04 19.9 Vmag 8.79 VarFlag R Vmag G
RAdeg 289.509 DEdeg -25.0722 AstroRef A Plx 4.68
CCDM 19180-2504 N CCDM H Nsys 1 Ncomp 2
MultFlag C Source Qual B M HIP AB
Theta 88 Rho 0.443 HD 180570 BD
CD CD-2513911 CP CP-25 6752 Dm number -2513911 VIred 0.35
SpType A7V R SpType Coord arcsec 2000 191802.17-250419.9
Hipparcos 2
HIP 94853 Sn 15 So 3 Nc 2
RArad 5.0528860814 DErad -0.4375925752 Plx 3.36 PmRA 6.91
PmDE -22.01 E RArad 1.32 E DErad 0.97 E Plx 1.69
E pmRA 2.36 E pmDE 1.22 Hpmag 8.8674 E Hpmag 0.0021
SHp 0.012 VA 0 BV 0.304 E BV 0.02
VI 0.35
CCDM
Ccdm 19180-2504 RComp Comp A Note1
Note2 Discov num DRAs 2.17 DDEs -20.1
R dRAs 82 Year Theta Rho
Obs 2 Vmag 8.9 Sp A7 PmNote *
PmRA 5 PmDE -21 Dm number -2513911 Cat1 CD
Name2 187935 Cat2 SAO HD 180570 M HD
ADS BDS M ADS BDS N IDS IDS
HIC 94853
 
 
19180-2504 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 191802.20-250419.9 Mag 11.77 Calc delta mag 2.82
Calc coord yes
CCDM
Ccdm 19180-2504 RComp Comp B Note1
Note2 Discov num HDS DRAs 2.21 DDEs -20.1
R dRAs 82 Year 1991 Theta 88 Rho 0.4
Obs 1 Vmag 11.8 Sp PmNote *
PmRA 5 PmDE -21 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS
HIC 94853