17276-2440 HDS 2466 (HD 157987)

 
 
17h 27m 37.26s -24° 40' 04.3" P.A. 197.00 sep 0.4 mag 9.30,10.70 Sp A2IV dist. 396.83 pc (1294.46 l.y.)
 
 
Coord 2000 17276-2440 Discov num HDS2466 Comp Coord arcsec 2000 17 27 37.26 -24 40 04.3
Date first 1991 Date last 2021 Obs 2
Pa first 210 Pa last 197.2 P.A. Now (θ) 197.2°
Sep first 0.4 Sep last 0.385 Sep. Now (ρ) 0.385"
Mag pri 9.30 Mag sec 10.70 delta mag (ΔM) 1.4 Spectral class A2IV (white)
Pri motion ra -001 Sec motion ra
Pri motion dec -004 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 157987 Constellation Ophiuchus SAO 185419 HIP 85440
Tycho2 6830-00024-1 Gaia DR2 4110458013588340864 HD 157987 CD CD-2413353
CP CP-24 5901 Distance 396.83 Distance ly 1294.46
 
 
WDS 17276-2440 HDS 2466 (HD 157987) : 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
17276-2440 HDS2466 1991 1 210 0.4 9.11 11.53 A2IV D 172737.26-244004.3
17276-2440 HDS2466 2021 2 197 0.4 9.30 10.70 A2IV 172737.26-244004.3

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WDS 17276-2440 HDS 2466 (HD 157987) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 17276-2440 HDS 2466 (HD 157987) : MEASURES
 
 
No records found.

 
 
WDS 17276-2440 (HD 157987) : VIRTUAL EYEPIECE
 
 

17276-2440 HDS2466A mag 9.3 Sp A2IV 17276-2440 HDS2466B sep 0.4 P.A. 195.70 mag 10.7 virtual eyepiece
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Radius:
Components only
 
 
WDS 17276-2440 (HD 157987) : ALADIN DSS IMAGE @ 17h 27m 37.26s -24° 40' 04.3"
 
 
 
 
WDS 17276-2440 HDS 2466 (HD 157987) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only


17276-2440  HDS2466 distance=0' 17269-2423  I  1322 distance=20' 17290-2420  RST3105 distance=28' 17279-2508  RST3098 distance=29' 17264-2411  OCC  64AB distance=35' 17264-2411  GAT  22AB,C distance=35' 17283-2513  RST3100 distance=35' 17261-2353  ARA2202 distance=51' 17302-2402  RST5433 distance=52' 17286-2531  BU  129 distance=53' 17231-2353  DON 835 distance=78' 17299-2551  RST3106 distance=78' 17220-2500  CHR 182 distance=79' 17287-2304  RST3103 distance=98' 17268-2620  BU  128 distance=101' 17212-2350  LSC  73 distance=102' 17356-2438  TOK 609 distance=109' 17301-2257  B   343 distance=109' 17228-2609  RST1957 distance=111' 17316-2616  CHR 229 distance=112' 17320-2300  I   604 distance=117' 17244-2248  B   339AB distance=121' 17244-2248  HJ 4948AC distance=121' 17189-2400  HLD 132AB distance=126' 17189-2400  H 6  54AC distance=126' 17365-2515  TSN 184 distance=126' 17287-2235  B  2837 distance=127' 17351-2320  OCC1068 distance=130' 17180-2417  H 3  25 distance=134' 17181-2404  LLO  13 distance=135' 17216-2252  TDT 320 distance=136' 17257-2659  I  1320 distance=142' 17380-2457  B   350 distance=143' 17293-2213  SKF2523 distance=149' 17245-2217  RST3094 distance=150' 17337-2645  RST4572 distance=150' 17306-2712  SEE 332AB distance=158' 17306-2712  SEE 332AC distance=158' 17378-2323  HLD  30AB distance=159' 17378-2323  HLD  30AC distance=159' 17160-2424  RST3081 distance=160' 17200-2234  RST3087 distance=164' 17260-2727  LDS 596 distance=169' 17185-2245  KIR  25 distance=171' 17163-2330  BRT1505 distance=171' 17383-2312  B   351 distance=172' 17335-2207  KPP2764 distance=174' 17161-2556  RST3082 distance=174' 17396-2341  B   352BC distance=175' 17155-2346  ARA2200BC distance=175' 17396-2341  B   352AB distance=175' grafico limitrofi
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Show name coord_2000 discov# comp pa sep dist(')
Show 17276-2440 HDS2466 197 0.4
Show 17269-2423 I 1322 132 0.2 20
Show 17290-2420 RST3105 247 0.2 28
Show 17279-2508 RST3098 166 0.3 29
Show 17264-2411 OCC 64 AB -1 0.1 35
Show 17264-2411 GAT 22 AB,C 189 18.1 35
Show 17283-2513 RST3100 139 0.4 35
Show 17261-2353 ARA2202 26 16.1 51
Show 17302-2402 RST5433 172 0.2 52
Show 17286-2531 BU 129 350 0.2 53
Show 17231-2353 DON 835 196 1.2 78
Show 17299-2551 RST3106 262 3.1 78
Show 17220-2500 CHR 182 54 0.2 79
Show 17287-2304 RST3103 15 1.7 98
Show 17268-2620 BU 128 326 4.6 101
Show 17212-2350 LSC 73 182 0.4 102
Show 17356-2438 TOK 609 184 999.9 109
Show 17301-2257 B 343 199 2.3 109
Show 17228-2609 RST1957 102 1.0 111
Show 17316-2616 CHR 229 191 0.4 112
Show 17320-2300 I 604 233 2.6 117
Show 17244-2248 B 339 AB 207 3.6 121
Show 17244-2248 HJ 4948 AC 106 13.3 121
Show 17189-2400 HLD 132 AB 30 2.0 126
Show 17189-2400 H 6 54 AC 142 79.0 126
Show 17365-2515 TSN 184 257 0.5 126
Show 17287-2235 B 2837 225 13.0 127
Show 17351-2320 OCC1068 -1 0.0 130
Show 17180-2417 H 3 25 355 10.8 134
Show 17181-2404 LLO 13 309 8.0 135
Show 17216-2252 TDT 320 71 0.5 136
Show 17257-2659 I 1320 192 0.5 142
Show 17380-2457 B 350 329 0.8 143
Show 17293-2213 SKF2523 314 3.5 149
Show 17245-2217 RST3094 16 1.0 150
Show 17337-2645 RST4572 153 3.4 150
Show 17306-2712 SEE 332 AB 191 7.6 158
Show 17306-2712 SEE 332 AC 8 16.3 158
Show 17378-2323 HLD 30 AB 109 3.2 159
Show 17378-2323 HLD 30 AC 340 71.1 159
Show 17160-2424 RST3081 284 0.6 160
Show 17200-2234 RST3087 29 1.0 164
Show 17260-2727 LDS 596 312 19.6 169
Show 17185-2245 KIR 25 329 54.3 171
Show 17163-2330 BRT1505 27 5.3 171
Show 17383-2312 B 351 252 0.7 172
Show 17335-2207 KPP2764 74 4.3 174
Show 17161-2556 RST3082 278 2.5 174
Show 17396-2341 B 352 BC 51 0.9 175
Show 17155-2346 ARA2200 BC 195 6.6 175
Show 17396-2341 B 352 AB 186 53.1 175

 
 
WDS 17276-2440 : COMPONENTS
 
 
  A
B pa=195.7°
sep=0.38"
 
 
17276-2440 A
 
 
Componente originario normalizzato AB Name HD 157987 Coord arcsec 2000 172737.26-244004.3 Mag 9.3
Spectral class A2IV (white) PmRA -1.00 PmDE -4.0 SAO 185419
HIP 85440 Tycho2 6830-00024-1 HD 157987 CD CD-2413353
CP CP-24 5901
Tycho2
Tycho2 6830-00024-1 Pflag RAmdeg 261.90524543 DEmdeg -24.66788035
PmRA -2.7 PmDE -4.5 E RAmdeg 9 E DEmdeg 13
E pmRA 1.4 E pmDE 1.6 EpRAm 1990.01 EpDEm 1989.25
Num 10 Q RAmdeg 1.1 Q DEmdeg 1.2 Q pmRA 1.1
Q pmDE 1.1 BTmag 9.464 E BTmag 0.022 VTmag 9.007
E VTmag 0.019 Prox 999 TYC T HIP 85440
CCDM AB RAdeg 261.90525250 DEdeg -24.66786889 EpRA 1990 1.69
EpDE 1990 1.35 E RAdeg 9.9 E DEdeg 13.7 Posflg P
Corr 0.0
SAO
SAO 185419 DelFlag RA1950 PmRA1950 0.0003
DE1950 PmDE1950 -0.008 Vmag 8.8 SpType A3
Double code Source 25 CatNum 12032 DM CD-2413353
DMcomp BDsup HD 157987 M HD 0
GC RA1950rad 4.55772093 DE1950rad -0.42981905 PmRA2000 0.0002
PmDE2000 -0.006
Hipparcos
Catalog H HIP 85440 Proxy H RAhms 17 27 37.26
DEdms -24 40 04.3 Vmag 8.89 VarFlag R Vmag H
RAdeg 261.905 DEdeg -24.6679 AstroRef A Plx 1.73
CCDM 17276-2440 N CCDM H Nsys 1 Ncomp 2
MultFlag C Source Qual D M HIP AB
Theta 210 Rho 0.352 HD 157987 BD
CD CD-2413353 CP CP-24 5901 Dm number -2413353 VIred 0.53
SpType A2IV R SpType Coord arcsec 2000 172737.26-244004.3
Hipparcos 2
HIP 85440 Sn 15 So 3 Nc 2
RArad 4.571109196 DErad -0.4305354099 Plx 2.52 PmRA -0.4
PmDE -5.56 E RArad 1.56 E DErad 0.95 E Plx 1.58
E pmRA 2.09 E pmDE 0.98 Hpmag 8.9937 E Hpmag 0.0026
SHp 0.019 VA 0 BV 0.461 E BV 0.031
VI 0.53
CCDM
Ccdm 17276-2440 RComp Comp A Note1
Note2 Discov num DRAs 1.27 DDEs -4.3
R dRAs 82 Year Theta Rho
Obs 2 Vmag 9.1 Sp A2 PmNote *
PmRA -1 PmDE -4 Dm number -2413353 Cat1 CD
Name2 185419 Cat2 SAO HD 157987 M HD
ADS BDS M ADS BDS N IDS IDS
HIC 85440
 
 
17276-2440 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 172737.25-244004.7 Mag 10.7 Calc delta mag 1.4
Calc coord yes
CCDM
Ccdm 17276-2440 RComp Comp B Note1
Note2 Discov num HDS DRAs 1.25 DDEs -4.6
R dRAs 82 Year 1991 Theta 210 Rho 0.4
Obs 1 Vmag 11.5 Sp PmNote *
PmRA -1 PmDE -4 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS
HIC 85440