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Doubles in session


Current system
23578+2508
MCA 76
Psi Peg


Nearby doubles
26' : 23561+2520
A 426

28' : 23567+2531
POU5876

29' : 23557+2509
GRV1285

38' : 23551+2517
POU5873

45' : 23550+2530
POU5872

46' : 23560+2429
GRV 699

49' : 23581+2420
STF3048AB

51' : 23545+2533
OCC9031

53' : 23540+2522
POU5870

56' : 23542+2443
COU 145

60' : 23546+2428
CBL 550

62' : 23562+2410
LDS5136

66' : 23593+2406
POU5881

68' : 23573+2401
POU5878

72' : 23554+2404
POU5874

72' : 23569+2357
POU5877AB

75' : 23558+2359
POU5875

79' : 23547+2402
POU5871

82' : 23599+2353
DVG 51

85' : 23516+2502
POU5865

85' : 23538+2404
COU 443

87' : 23515+2501
POU5863

87' : 23521+2430
POU5867

87' : 23526+2417
POU5868

88' : 23538+2400
POU5869

96' : 23573+2333
POU5879



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.

23578+2508 MCA 76 (Psi Peg)

 
 
23h 57m 45.55s +25° 08' 29.3" P.A. 171.00 sep 0.1 mag 4.66, Sp M3III dist. 145.99 pc (476.22 l.y.)
 
 
Coord 2000 23578+2508 Discov num MCA  76 Comp Coord arcsec 2000 23 57 45.55 +25 08 29.3
Date first 1980 Date last 1995 Obs 5
Pa first 54 Pa last 171.4 P.A. Now (θ) 171.4°
Sep first 0.2 Sep last 0.081 Sep. Now (ρ) 0.081"
Mag pri 4.66 Mag sec delta mag (ΔM) Spectral class M3III (red)
Pri motion ra -034 Sec motion ra
Pri motion dec -033 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name Psi Peg Var name NSV14777 Peg Constellation Pegasus SAO 91611
HIP 118131 Tycho2 2255-02883-1 Gaia DR2 2851617392714583808 HD 224427
HR 9064 GC 33230 BD BD+24 4865 Bayer Psi Pegasi
Bayer name Psi Peg Flamsteed 84 Pegasi Flamsteed name 84 Peg FK5 1629
Distance 145.99 Distance ly 476.22 Bayer greek ψ Peg
 
 
ORBITAL ELEMENTS
 
 
Period (P)55.06y± 11.31 Periastron (T)2001.83y± 8.81 Semi-major axis (a)0.17a± 0.016
Eccentricity (e)0.1± 0.1 Inclination (i)65.6°± 2.2 Longitude of periastron (ω)159.7°± 11.9
Node (Ω)46.6°± 2.3 Notesn ReferenceOle2004e
Equinox2000 Last observation1995 Grade5(1=Definitive, 9=Indet.)
label theta rho
2000 210.5 0.131
2001 214.7 0.139
2002 218.5 0.146
2003 222.0 0.151
2004 225.4 0.153
2005 228.7 0.154
2006 232.0 0.152
2007 235.4 0.148
2008 239.1 0.142
2009 243.1 0.135
2010 247.7 0.126
2011 253.0 0.116
2012 259.2 0.106
2013 266.9 0.096
2014 276.4 0.086
2015 287.9 0.078
2016 301.5 0.073
2017 316.4 0.072
2018 330.9 0.075
2019 343.9 0.081
2020 354.7 0.090
2021 3.4 0.100
2022 10.4 0.111
2023 16.1 0.122
2024 20.9 0.133
2025 24.9 0.144
2026 28.5 0.153
2027 31.6 0.162
2028 34.4 0.169
2029 37.0 0.176
2030 39.5 0.180


 
 grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.


 
  


wds23578%2B2508a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 23578+2508 MCA 76 (Psi Peg) : NOTES
 
 
discov_num notes refcode
MCA 76 psi Peg = 84 Peg
 
 
REFERENCES
 
 
refcode metd author reference
Ole2004e orb - Olevic, D. & Cvetkovic, Z. 2004SerAJ.168...25O
Ole2004e SerAJ 168, 25, 2004
 
 
DISCOVERER
 
 
idgroup discov author
1 MCA McAlister, H.A.
46 MCA McAlister, H.A., Hartkopf, W.I., Bagnuolo, W.G., Sowell, J.R., Franz, O.G., &
46 MCA Evans, D.S.
61 MCA Fu, H.-H., Hartkopf, W.I., Mason, B.D., McAlister, H.A., Dombrowski, E.G., &
61 MCA Franz, O.G.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
23578+2508 MCA 76 1995 5 171 0.1 4.66   M3III N 235745.55+250829.3

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

 
 
WDS 23578+2508 MCA 76 (Psi Peg) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 23578+2508 MCA 76 (Psi Peg) : MEASURES
 
 
No records found.

 
 
WDS 23578+2508 (Psi Peg) : VIRTUAL EYEPIECE
 
 

23578+2508 MCA 76A mag 4.66 Sp M3III 23578+2508 MCA 76B sep 0.1 P.A. 172.20 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 23578+2508 (Psi Peg) : ALADIN DSS IMAGE @ 23h 57m 45.55s +25° 08' 29.3"
 
 
 
 
WDS 23578+2508 MCA 76 (Psi Peg) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

23578+2508 MCA 76 distance=0' 23561+2520 A 426 distance=26' 23567+2531 POU5876 distance=28' 23557+2509 GRV1285 distance=29' 23551+2517 POU5873 distance=38' 23550+2530 POU5872 distance=45' 23560+2429 GRV 699 distance=46' 23581+2420 STF3048AB distance=49' 23581+2420 STF3048AC distance=49' 23581+2420 LEP 118AD distance=49' 23581+2420 FYM 131AF distance=49' 23581+2420 FYM 131AG distance=49' 23545+2533 OCC9031 distance=51' 23540+2522 POU5870 distance=53' 23542+2443 COU 145 distance=56' 23581+2420 GIC 197DE distance=58' 23546+2428 CBL 550 distance=60' 23562+2410 LDS5136 distance=62' 23593+2406 POU5881 distance=66' 23573+2401 POU5878 distance=68' 23554+2404 POU5874 distance=72' 23569+2357 DAM1463BC distance=72' 23569+2357 POU5877AB distance=72' 23558+2359 POU5875 distance=75' 23547+2402 POU5871 distance=79' 23599+2353 DVG 51 distance=82' 23516+2502 POU5865 distance=85' 23538+2404 COU 443 distance=85' 23515+2501 POU5863 distance=87' 23521+2430 POU5867 distance=87' 23526+2417 POU5868 distance=87' 23538+2400 POU5869 distance=88' 23573+2333 POU5879 distance=96' 23514+2551 CVR1023 distance=96' 23501+2518 POU5860 distance=105' 23561+2327 HU 500 distance=105' 23579+2321 BRT2519 distance=108' 23577+2318 CRC 42 distance=111' 23516+2355 POU5864 distance=112' 23499+2428 JNN 141 distance=115' 23587+2706 PTF 29 distance=118' 23514+2344 BWL 61AB distance=122' 23514+2344 BWL 61AC distance=122' 23514+2344 BWL 61AD distance=122' 23514+2344 BWL 61AE distance=122' 23494+2552 LDS5126 distance=123' 23504+2620 COU 545 distance=123' 23503+2359 POU5861 distance=124' 23570+2305 GIC 196 distance=124' 23510+2343 POU5862 distance=125' 23597+2305 TDT4311 distance=127' 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 23578+2508 MCA 76 171 0.1
Show 23561+2520 A 426 284 0.4 26
Show 23567+2531 POU5876 295 13.0 28
Show 23557+2509 GRV1285 46 3.4 29
Show 23551+2517 POU5873 330 12.7 38
Show 23550+2530 POU5872 143 9.3 45
Show 23560+2429 GRV 699 47 39.3 46
Show 23581+2420 STF3048 AB 313 8.6 49
Show 23581+2420 STF3048 AC 266 36.9 49
Show 23581+2420 LEP 118 AD 144 618.8 49
Show 23581+2420 FYM 131 AF 98 44.3 49
Show 23581+2420 FYM 131 AG 118 81.2 49
Show 23545+2533 OCC9031 185 0.1 51
Show 23540+2522 POU5870 46 8.9 53
Show 23542+2443 COU 145 147 2.5 56
Show 23581+2420 GIC 197 DE 257 13.3 58
Show 23546+2428 CBL 550 124 14.4 60
Show 23562+2410 LDS5136 161 137.2 62
Show 23593+2406 POU5881 212 20.4 66
Show 23573+2401 POU5878 327 17.6 68
Show 23554+2404 POU5874 172 4.7 72
Show 23569+2357 DAM1463 BC 66 24.5 72
Show 23569+2357 POU5877 AB 22 19.4 72
Show 23558+2359 POU5875 90 14.6 75
Show 23547+2402 POU5871 154 11.0 79
Show 23599+2353 DVG 51 1 72.7 82
Show 23516+2502 POU5865 353 5.8 85
Show 23538+2404 COU 443 144 2.3 85
Show 23515+2501 POU5863 233 8.3 87
Show 23521+2430 POU5867 284 4.9 87
Show 23526+2417 POU5868 75 8.9 87
Show 23538+2400 POU5869 21 11.3 88
Show 23573+2333 POU5879 2 3.4 96
Show 23514+2551 CVR1023 331 7.8 96
Show 23501+2518 POU5860 100 11.1 105
Show 23561+2327 HU 500 88 0.2 105
Show 23579+2321 BRT2519 283 4.8 108
Show 23577+2318 CRC 42 76 4.6 111
Show 23516+2355 POU5864 66 13.2 112
Show 23499+2428 JNN 141 41 0.2 115
Show 23587+2706 PTF 29 352 0.4 118
Show 23514+2344 BWL 61 AB 20 2.2 122
Show 23514+2344 BWL 61 AC 100 2.8 122
Show 23514+2344 BWL 61 AD 39 4.1 122
Show 23514+2344 BWL 61 AE 48 4.2 122
Show 23494+2552 LDS5126 343 18.5 123
Show 23504+2620 COU 545 310 0.8 123
Show 23503+2359 POU5861 167 16.4 124
Show 23570+2305 GIC 196 149 6.5 124
Show 23510+2343 POU5862 227 10.1 125
Show 23597+2305 TDT4311 147 1.1 127

 
 
WDS 23578+2508 : COMPONENTS
 
 
  A
B pa=172.2°
sep=0.08"
 
 
23578+2508 A
 
 
Componente originario normalizzato AB Name Psi Peg Coord arcsec 2000 235745.55+250829.3 Mag 4.66
Spectral class M3III (red) PmRA -34.00 PmDE -33.0 SAO 91611
HIP 118131 Tycho2 2255-02883-1 HD 224427 HR 9064
GC 33230 BD BD+24 4865 Bayer Psi Pegasi Bayer name Psi Peg
Flamsteed 84 Pegasi Flamsteed name 84 Peg FK5 1629
Tycho2
Tycho2 2255-02883-1 Pflag RAmdeg 359.43969490 DEmdeg 25.14140010
PmRA -36.0 PmDE -32.5 E RAmdeg 3 E DEmdeg 4
E pmRA 0.7 E pmDE 0.7 EpRAm 1991.35 EpDEm 1991.06
Num 22 Q RAmdeg 0.7 Q DEmdeg 0.8 Q pmRA 0.7
Q pmDE 0.7 BTmag 6.678 E BTmag 0.014 VTmag 4.832
E VTmag 0.009 Prox 999 TYC T HIP 118131
CCDM RAdeg 359.43978667 DEdeg 25.14147583 EpRA 1990 1.70
EpDE 1990 1.63 E RAdeg 3.3 E DEdeg 3.5 Posflg
Corr -0.1
SAO
SAO 91611 DelFlag RA1950 PmRA1950 -0.0024
DE1950 PmDE1950 -0.027 Vmag 4.8 SpType M0
Double code Source 74 CatNum 1629 DM BD+24 4865
DMcomp BDsup HD 224427 M HD 0
GC 33230 RA1950rad 6.26226868 DE1950rad 0.43395053 PmRA2000 -0.0024
PmDE2000 -0.033
Hipparcos
Catalog H HIP 118131 Proxy RAhms 23 57 45.55
DEdms +25 08 29.3 Vmag 4.63 VarFlag 2 R Vmag H
RAdeg 359.44 DEdeg 25.1415 AstroRef Plx 7.54
CCDM N CCDM Nsys Ncomp 1
MultFlag Source Qual S M HIP
Theta Rho HD 224427 BD BD+24 4865
CD CP Dm number +24 4865 VIred 2.21
SpType M3III R SpType Coord arcsec 2000 235745.55+250829.3
Hipparcos 2
HIP 118131 Sn 5 So 0 Nc 1
RArad 6.273407792 DErad 0.4388015877 Plx 6.85 PmRA -35.24
PmDE -31.6 E RArad 0.18 E DErad 0.14 E Plx 0.24
E pmRA 0.18 E pmDE 0.13 Hpmag 4.6918 E Hpmag 0.0033
SHp 0.025 VA 2 BV 1.584 E BV 0.003
VI 2.21
CCDM
Ccdm 23578+2508 RComp Comp A Note1
Note2 Discov num DRAs -2.47 DDEs 29.0
R dRAs 81 Year Theta Rho
Obs 2 Vmag 4.7 Sp M3 PmNote @
PmRA -34 PmDE -33 Dm number +24 4865 Cat1 BD
Name2 +24 2582 Cat2 AGK2/3 HD 224427 M HD
ADS BDS M ADS BDS N N IDS IDS 23527N2436A
HIC 118131
 
 
23578+2508 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 235745.55+250829.2 Calc delta mag 4.66 Calc coord yes
CCDM
Ccdm 23578+2508 RComp Comp B Note1
Note2 Discov num MAL 76 DRAs DDEs
R dRAs Year 1988 Theta 63 Rho 0.1
Obs 2 Vmag Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 23527N2436B
HIC 118131