21267+1341 STF 2797 (KP Peg)

21^h 26^m 41.14^s +13° 41' 17.8" P.A. 218.00 sep 3.5 mag 7.37,8.83 Sp A2V dist. 221.73 pc (723.28 l.y.)

Coord 2000	21267+1341	Discov num	STF2797	Comp		Coord arcsec 2000	21 26 41.14 +13 41 17.8
Date first	1827	Date last	2016	Obs	94
Pa first	213	Pa last	217.5	P.A. Now (θ)	217.5°
Sep first	3.4	Sep last	3.492	Sep. Now (ρ)	3.492"
Mag pri	7.37	Mag sec	8.83	delta mag (ΔM)	1.46	Spectral class	A2V (white)
Pri motion ra	-002	Sec motion ra	-002
Pri motion dec	-011	Sec motion dec	-011
Notes	N (See Notes)

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Var name	KP Peg	Constellation	Pegasus	SAO	107139	HIP	105882
Tycho2	1118-01950-1	Gaia DR2	1771113056807823104	HD	204215	GC	30025
BD	BD+13 4708	Distance	221.73	Distance ly	723.28

WDS 21267+1341 STF 2797 (KP Peg) : NOTES

discov_num	notes	refcode
STF2797	B is a Beta Lyrae-type system. A is the variable KP Peg.

REFERENCES

refcode	metd	author	reference
STFA		(F. Struve DD - Appendix list #1)	...................
STFB		(F. Struve DD - Appendix list #2)	...................
StF1833A	Ma -	Struve, F.G.W.	1833MmRAS...5...13H
StF1833A	+Mc	cited by Herschel (MemRAS 5, 13, 1833)
StF1833B	Ma -	Struve, F.G.W.	1833AN.....10..389B
StF1833B		cited by Bessel (AN 10, 389, 1833)
StF1837	Ma -	Struve, F.G.W.	1837AN.....14...249
StF1837		Stellarum duplicium et multiplicium mensurae micrometricae...
StF1837		(Dorpat, Academiae scientiarum caesareae petropolitaneifique), 1837
StF1844A	Ma -	Struve, F.G.W.	1844QB43.S66.......
StF1844A		cited by Smyth (Cycle of Celestial Objects 2, 1844)
StF1852A	Ma -	Struve, F.G.W.	.
StF1852A		cited by Bishop (Bishop Obs. Astron. Observations 1852)
StF1865A	Ma -	Struve, F.G.W.	1865AN.....64...81E
StF1865A		cited by Engelmann (AN 64, 81, #1518, 1865)
StF1875A	Ma -	Struve, F.G.W.	1875AN.....85..323D
StF1875A		cited by Doberck, 1875 (see Dob1875b,f,g,h)
StF1878	Ma -	Struve, F.G.W.	.
StF1878		Pulkova Observations 9, 1878
StF1878B	Ma -	Struve, F.G.W.	1878Obs.....2..239G
StF1878B		cited by Gledhill (Obs 2, 239, 1878)
StF1880A	Ma -	Struve, F.G.W.	1880Obs.....3..535G
StF1880A		cited by Gledhill (Obs 3, 535, 1880)
StF1906A	Ma -	Struve, F.G.W.	1906QB821.B972.....
StF1906A		cited in BDS (Burnham Double Star Cat.), 1906
StF1906B	Ma -	Struve, F.G.W.	1906MmRAS..56....1L
StF1906B		cited by Lewis (MemRAS 56, 1, 1906)
StF1922A	Ma -	Struve, F.G.W.	1922AN....216...49R
StF1922A		cited by Rabe (AN 216, 49, 1922)
StF1932A	Ma -	Struve, F.G.W.	1932QB821.A43......
StF1932A		cited in ADS (Aitken Double Star Cat.), 1932
StF2002	- -	Weis, J.
StF2002		F. G. W. Struve's double stars : the Dorpat catalogue; the Pulkovo catalogue
StF2002		USNO Library : QB 821 .S8 W49 2002
StF2022	- -	email note from Jan Weis: 6 July 2022
StF9999	Ma -	Struve, F.G.W.	...................
StF9999		Unpublished, manuscript or reference not found.

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
21267+1341	STF2797		2004	92	218	3.5	7.37	8.83	A2V	N D	212641.14+134117.8
21267+1341	STF2797		2008	93	218	3.5	7.37	8.83	A2V	N D	212641.14+134117.8
21267+1341	STF2797		2011	96	217	3.5	7.37	8.83	A2V	N D	212641.14+134117.8
21267+1341	STF2797		2016	94	218	3.5	7.37	8.83	A2V	N	212641.14+134117.8

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

WDS 21267+1341 STF 2797 (KP Peg) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 21267+1341 STF 2797 (KP Peg) : MEASURES

No records found.

WDS 21267+1341 (KP Peg) : VIRTUAL EYEPIECE

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Pass over with the mouse cursor to display the catalog designation.

WDS 21267+1341 (KP Peg) : ALADIN DSS IMAGE @ 21^h 26^m 41.14^s +13° 41' 17.8"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 21267+1341 STF 2797 (KP Peg) : NEIGHBORHOODS

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Pass over with the mouse cursor to display the catalog designation.

Show	name	coord_2000	discov#	comp	pa	sep	dist(')
Show		21267+1341	STF2797		218	3.5	1
Show		21272+1408	BPM2376		310	77.6	28
Show		21288+1341	J 162		59	2.7	30
Show		21245+1358	LDS4883	AB	208	1.9	37
Show		21245+1358	LDS4883	AC	66	31.3	37
Show		21241+1324	LEP 173		34	4.2	42
Show		21296+1340	BPM2380		28	15.8	43
Show		21297+1356	HU 963		229	0.9	46
Show		21254+1428	BPM2373		347	39.7	51
Show		21277+1431	HEI 285		98	0.9	52
Show		21244+1425	BPM2370		297	71.5	55
Show		21282+1440	BPM2377		82	112.5	63
Show		21236+1431	LDS4881		225	35.0	67
Show		21242+1237	HJ 282	AB	69	27.3	74
Show		21242+1237	FYM 182	AC	162	14.9	74
Show		21314+1414	BPM2386		65	116.7	76
Show		21309+1427	BPM2384		185	75.4	77
Show		21291+1451	J 197		204	3.1	79
Show		21310+1256	LDS4891	AB	168	90.7	79
Show		21314+1302	BPM2385		16	96.4	79
Show		21310+1256	LDS4891	BC	177	21.7	80
Show		21322+1342	SIG 6		233	0.1	81
Show		21320+1319	GWP3070		270	20.8	81
Show		21310+1251	LDS4892		234	12.0	82
Show		21326+1351	HEI 286	AB	268	2.2	87
Show		21326+1351	HEI 286	AC	280	34.0	87
Show		21242+1504	BPM2369		238	95.5	90
Show		21322+1301	RAO 458		162	0.6	90
Show		21301+1501	HJ 284		300	25.0	95
Show		21206+1310	HDS3038		126	0.1	95
Show		21205+1415	BPM2360		342	61.2	96
Show		21291+1211	BAR 56	AB	43	1.3	98
Show		21291+1211	BAR 56	AC	42	1.3	98
Show		21321+1243	RAO 457		150	1.1	98
Show		21282+1519	LDS4888		175	11.0	101
Show		21300+1213	DBR 295		5	0.8	101
Show		21299+1212	MAA 1		56	1.1	102
Show		21299+1211	DBR 294	AB	348	4.1	102
Show		21299+1211	DBR 294	AC	331	1.9	102
Show		21304+1508	BPM2382		311	53.1	103
Show		21338+1345	RAO 461		102	1.1	104
Show		21301+1514	J 198		38	4.2	106
Show		21324+1450	HJ 1655		32	25.5	108
Show		21329+1240	UC 4492		19	91.7	110
Show		21233+1520	HEI 189		36	0.6	111
Show		21196+1421	HU 962		61	0.6	111
Show		21225+1207	BPM2366		107	61.1	113
Show		21216+1513	AG 417		13	35.8	119
Show		21187+1358	BRT1353		241	3.8	119
Show		21345+1414	LDS4896		121	2.9	119
Show		21326+1507	TDS1134		282	0.7	122

WDS 21267+1341 : COMPONENTS

	A
B	pa=216.7° sep=3.46"

21267+1341 A

Componente originario normalizzato	AB	Var name	KP Peg	Coord arcsec 2000	212641.14+134117.8	Mag	7.37
Spectral class	A2V (white)	PmRA	-2.00	PmDE	-11.0	SAO	107139
HIP	105882	Tycho2	1118-01950-1	HD	204215	GC	30025
BD	BD+13 4708

Tycho2

Tycho2	1118-01950-1	Pflag		RAmdeg	321.67141516	DEmdeg	13.68828595
PmRA	6.8	PmDE	-0.1	E RAmdeg	5	E DEmdeg	7
E pmRA	1.8	E pmDE	1.8	EpRAm	1991.62	EpDEm	1991.56
Num	6	Q RAmdeg	4.8	Q DEmdeg	3.1	Q pmRA	4.7
Q pmDE	3.1	BTmag	7.446	E BTmag	0.016	VTmag	7.375
E VTmag	0.013	Prox	34	TYC	T	HIP	105882
CCDM	A	RAdeg	321.67140028	DEdeg	13.68828694	EpRA 1990	1.84
EpDE 1990	1.86	E RAdeg	5.4	E DEdeg	6.7	Posflg
Corr	0.4

SAO

SAO	107139	DelFlag		RA1950		PmRA1950	0
DE1950		PmDE1950	-0.011	Vmag	7.3	SpType	A2
Double code		Source	70	CatNum	30025	DM	BD+13 4708
DMcomp		BDsup		HD	204215	M HD	0
GC	30025	RA1950rad	5.60377674	DE1950rad	0.23511021	PmRA2000	0.0001
PmDE2000	-0.015

Hipparcos

Catalog	H	HIP	105882	Proxy	H	RAhms	21 26 41.14
DEdms	+13 41 17.8	Vmag	7.12	VarFlag	2	R Vmag	H
RAdeg	321.671	DEdeg	13.6883	AstroRef	A	Plx	4.37
CCDM	21267+1341	N CCDM	I	Nsys	1	Ncomp	2
MultFlag	C	Source		Qual	A	M HIP	AB
Theta	217	Rho	3.458	HD	204215	BD	BD+13 4708
CD		CP		Dm number	+13 4708	VIred	0.12
SpType	A2	R SpType		Coord arcsec 2000	212641.14+134117.8

Hipparcos 2

HIP	105882	Sn	15	So	3	Nc	2
RArad	5.6142250363	DErad	0.2389057426	Plx	4.51	PmRA	-3.67
PmDE	-8.88	E RArad	0.69	E DErad	0.72	E Plx	0.83
E pmRA	1.06	E pmDE	0.77	Hpmag	7.1731	E Hpmag	0.0096
SHp	0.068	VA	1	BV	0.158	E BV	0.019
VI	0.17

CCDM

Ccdm	21267+1341	RComp		Comp	A	Note1
Note2		Discov num		DRAs	-0.96	DDEs	17.0
R dRAs	10	Year		Theta		Rho
Obs	2	Vmag	7.3	Sp	A2	PmNote	*
PmRA	-21	PmDE	-11	Dm number	+13 4708	Cat1	BD
Name2	+13 2284	Cat2	AGK2/3	HD	204215	M HD
ADS BDS	A14977	M ADS BDS		N IDS		IDS	21219N1315A
HIC	105882

21267+1341 B

Componente originario normalizzato	AB		Coord arcsec 2000	212641.00+134115.0		Mag	8.83		PmRA	-2.00
PmDE	-11.0		Calc delta mag	1.46		Calc coord	yes

CCDM

Ccdm	21267+1341	RComp		Comp	B	Note1
Note2		Discov num	STF2797	DRAs		DDEs
R dRAs		Year	1830	Theta	216	Rho	3.3
Obs	99	Vmag	8.8	Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS	A14977	M ADS BDS		N IDS		IDS	21219N1315B
HIC	105882