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Current system
16431-7731
HJ 4858
Bet Aps


Nearby doubles
13' : 16467-7725
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UC 3233

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UC 3195

58' : 16556-7651
RST3042AB

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NSN 346

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HDS2323

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TDT 164

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GLI 232

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UC 3203

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RST3051

130' : 16482-7940
HJ 4860

132' : 16574-7530
UC 3262

143' : 16282-7519
RST3017

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B 2812

161' : 16434-7450
TDT 49

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WFC 182

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UC 3200

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TDS9987

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TDT 174

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UC 3256

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TDT 40



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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

16431-7731 HJ 4858 (Bet Aps)

 
 
16h 43m 04.65s -77° 31' 02.7" P.A. 56.00 sep 91.5 mag 4.24,12.00 Sp K0III dist. 48.12 pc (156.97 l.y.)
 
 
Coord 2000 16431-7731 Discov num HJ 4858 Comp Coord arcsec 2000 16 43 04.65 -77 31 02.7
Date first 1835 Date last 2000 Obs 5
Pa first 105 Pa last 55.9 P.A. Now (θ) 55.9°
Sep first 20.0 Sep last 91.51 Sep. Now (ρ) 91.51"
Mag pri 4.24 Mag sec 12.00 delta mag (ΔM) 7.76 Spectral class K0III (yellow-orange)
Pri motion ra -287 Sec motion ra
Pri motion dec -350 Sec motion dec
Notes N U (See Notes, Proper motion indicates non-physical)
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name Bet Aps Constellation Apus SAO 257424 HIP 81852
Tycho2 9447-03154-1 Gaia DR2 5777500503759058304 HD 149324 HR 6163
GC 22370 CP CP-77 1221 Bayer Beta Apodis Bayer name Bet Aps
FK5 3319 Distance 48.12 Distance ly 156.97 Bayer greek β Aps
 
 
WDS 16431-7731 HJ 4858 (Bet Aps) : NOTES
 
 
discov_num notes refcode
HJ 4858 bet Aps
Optical pair, based on study of relative motion of the components
using the method of apparent motion parameters. Kiy2008
 
 
REFERENCES
 
 
refcode metd author reference
Kiy2008 - Kiyaeva, O.V., Kiselev, A.A. & Izmailov, I.S. 2008SvAL...32..405K
Kiy2008 SvAL 34, 405, 2008
 
 
DISCOVERER
 
 
idgroup discov author
1 HJ Herschel, J.F.W.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16431-7731 HJ 4858 2000 5 56 91.5 4.24 12.00 K0III N D 164305.42-773059.7
16431-7731 HJ 4858 2010 6 55 95.9 4.24 12.00 K0III NU 164305.42-773059.7

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

 
 
WDS 16431-7731 HJ 4858 (Bet Aps) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 16431-7731 HJ 4858 (Bet Aps) : MEASURES
 
 
No records found.

 
 
WDS 16431-7731 (Bet Aps) : VIRTUAL EYEPIECE
 
 

16431-7731 HJ 4858A mag 4.24 Sp K0III 16431-7731 HJ 4858B sep 53.9 P.A. 17.70 mag 12 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 16431-7731 (Bet Aps) : ALADIN DSS IMAGE @ 16h 43m 04.65s -77° 31' 02.7"
 
 
 
 
WDS 16431-7731 HJ 4858 (Bet Aps) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

16431-7731 HJ 4858 distance=1' 16467-7725 RST3036 distance=13' 16470-7727 SKF 454 distance=14' 16559-7712 KPP1454 distance=47' 16474-7817 UC 3233 distance=48' 16446-7641 TDT 63 distance=51' 16512-7822 UC 3242 distance=58' 16381-7636 UC 3195 distance=58' 16556-7651 RST3042AB distance=58' 16556-7651 HLN 40AC distance=58' 16232-7745 NSN 346 distance=66' 16263-7834 HDS2323 distance=82' 16587-7624 TDT 164 distance=86' 17003-7612 GLI 232 distance=99' 16400-7535 UC 3203 distance=117' 16595-7544 RST3051 distance=122' 16482-7940 HJ 4860 distance=130' 16574-7530 UC 3262 distance=132' 16282-7519 RST3017 distance=143' 16268-7508 B 2812 distance=154' 16434-7450 TDT 49 distance=161' 16536-7440 TDT 131 distance=175' 16525-7419 WFC 182 distance=196' 16391-7414 UC 3200 distance=198' 16354-7413 TDS9987 distance=200' 17000-7415 TDT 174 distance=206' 16560-7407 UC 3256 distance=210' 16422-7351 TDT 40 distance=220' 16380-7350 UC 3194 distance=223' 16255-7344 TDS9891 distance=237' 16566-7340 B 2395 distance=237' 16535-7335 B 2822 distance=239' 16531-8136 HDS2388 distance=247' 16232-7331 B 2040 distance=251' 16405-7318 TDT 30 distance=254' 16599-7325 I 100 distance=254' 16389-7315 TDT 18 distance=257' 16342-7312 TOB 335 distance=262' 16434-8153 TOB 337 distance=263' 16367-7306 UC 3192 distance=267' 16287-7310 TDS9917 distance=267' 16309-8157 TDS9944 distance=269' 16281-7308 TDS9913 distance=269' 16278-7305 B 2041 distance=272' 16581-7304 UC 3264 distance=274' 16422-7245 UC 3211 distance=287' 17003-7243 TDT 179 distance=296' 16578-7237 HEI 547 distance=300' 16504-7234 LDS 568 distance=300' 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 16431-7731 HJ 4858 56 91.5 1
Show 16467-7725 RST3036 194 1.2 13
Show 16470-7727 SKF 454 358 5.7 14
Show 16559-7712 KPP1454 178 10.9 47
Show 16474-7817 UC 3233 275 19.2 48
Show 16446-7641 TDT 63 214 0.5 51
Show 16512-7822 UC 3242 267 39.2 58
Show 16381-7636 UC 3195 41 53.1 58
Show 16556-7651 RST3042 AB 253 3.1 58
Show 16556-7651 HLN 40 AC 264 13.3 58
Show 16232-7745 NSN 346 47 2.5 66
Show 16263-7834 HDS2323 130 6.5 82
Show 16587-7624 TDT 164 186 0.5 86
Show 17003-7612 GLI 232 141 10.1 99
Show 16400-7535 UC 3203 180 114.4 117
Show 16595-7544 RST3051 282 1.7 122
Show 16482-7940 HJ 4860 233 14.5 130
Show 16574-7530 UC 3262 50 22.1 132
Show 16282-7519 RST3017 153 1.1 143
Show 16268-7508 B 2812 55 4.8 154
Show 16434-7450 TDT 49 16 0.4 161
Show 16536-7440 TDT 131 164 5.0 175
Show 16525-7419 WFC 182 92 4.8 196
Show 16391-7414 UC 3200 279 46.4 198
Show 16354-7413 TDS9987 331 0.9 200
Show 17000-7415 TDT 174 241 0.4 206
Show 16560-7407 UC 3256 350 58.5 210
Show 16422-7351 TDT 40 327 2.7 220
Show 16380-7350 UC 3194 30 62.9 223
Show 16255-7344 TDS9891 166 0.5 237
Show 16566-7340 B 2395 166 1.8 237
Show 16535-7335 B 2822 202 4.1 239
Show 16531-8136 HDS2388 15 0.1 247
Show 16232-7331 B 2040 150 3.2 251
Show 16405-7318 TDT 30 222 2.8 254
Show 16599-7325 I 100 177 0.9 254
Show 16389-7315 TDT 18 22 0.6 257
Show 16342-7312 TOB 335 236 21.1 262
Show 16434-8153 TOB 337 207 22.0 263
Show 16367-7306 UC 3192 263 26.5 267
Show 16287-7310 TDS9917 127 0.5 267
Show 16309-8157 TDS9944 355 0.7 269
Show 16281-7308 TDS9913 183 2.8 269
Show 16278-7305 B 2041 54 0.3 272
Show 16581-7304 UC 3264 299 67.6 274
Show 16422-7245 UC 3211 171 26.4 287
Show 17003-7243 TDT 179 329 0.5 296
Show 16578-7237 HEI 547 63 0.4 300
Show 16504-7234 LDS 568 178 45.3 300

 
 
WDS 16431-7731 : COMPONENTS
 
 
  A
B pa=17.7°
sep=53.86"
 
 
16431-7731 A
 
 
Componente originario normalizzato AB Name Bet Aps Coord arcsec 2000 164304.65-773102.7 Mag 4.24
Spectral class K0III (yellow-orange) PmRA -287.00 PmDE -350.0 SAO 257424
HIP 81852 Tycho2 9447-03154-1 HD 149324 HR 6163
GC 22370 CP CP-77 1221 Bayer Beta Bayer name Bet
FK5 3319
Tycho2
Tycho2 9447-03154-1 Pflag RAmdeg 250.76940005 DEmdeg -77.51743677
PmRA -282.8 PmDE -355.5 E RAmdeg 3 E DEmdeg 3
E pmRA 0.7 E pmDE 0.7 EpRAm 1991.32 EpDEm 1991.43
Num 17 Q RAmdeg 0.7 Q DEmdeg 0.7 Q pmRA 0.6
Q pmDE 0.4 BTmag 5.588 E BTmag 0.014 VTmag 4.346
E VTmag 0.009 Prox 999 TYC T HIP 81852
CCDM RAdeg 250.77242750 DEdeg -77.51661917 EpRA 1990 1.67
EpDE 1990 1.72 E RAdeg 3.3 E DEdeg 3.2 Posflg
Corr -0.1
SAO
SAO 257424 DelFlag RA1950 PmRA1950 -0.0859
DE1950 PmDE1950 -0.347 Vmag 4.2 SpType K0
Double code Source 70 CatNum 22370 DM CP-77 1221
DMcomp BDsup HD 149324 M HD 0
GC 22370 RA1950rad 4.34536613 DE1950rad -1.3511771 PmRA2000 -0.0874
PmDE2000 -0.354
Hipparcos
Catalog H HIP 81852 Proxy RAhms 16 43 05.42
DEdms -77 30 59.7 Vmag 4.23 VarFlag R Vmag G
RAdeg 250.773 DEdeg -77.5166 AstroRef Plx 20.69
CCDM 16431-7731 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 149324 BD
CD CP CP-77 1221 Dm number -77 1221 VIred 1.04
SpType K0III R SpType Coord arcsec 2000 164305.42-773059.7
Hipparcos 2
HIP 81852 Sn 5 So 0 Nc 1
RArad 4.376807215 DErad -1.352919402 Plx 20.78 PmRA -282.7
PmDE -354.81 E RArad 0.13 E DErad 0.15 E Plx 0.2
E pmRA 0.14 E pmDE 0.17 Hpmag 4.3954 E Hpmag 0.0005
SHp 0.005 VA 0 BV 1.06 E BV 0.015
VI 1.04
CCDM
Ccdm 16431-7731 RComp Comp A Note1
Note2 Discov num DRAs -1.48 DDEs -2.6
R dRAs 10 Year Theta Rho
Obs 2 Vmag 4.2 Sp G8 PmNote *
PmRA -288 PmDE -343 Dm number -77 1221 Cat1 CPD
Name2 257424 Cat2 SAO HD 149324 M HD
ADS BDS M ADS BDS N IDS IDS 16288S7718A
HIC 81852
 
 
16431-7731 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 164309.70-773011.4 Mag 12 Calc delta mag 7.76
Calc coord yes
CCDM
Ccdm 16431-7731 RComp Comp B Note1
Note2 Discov num HJ 4858 DRAs DDEs
R dRAs Year 1900 Theta 072 Rho 51.1
Obs 1 Vmag 12.0 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 16288S7718B
HIC