09171+0717 STTA 98 BC

09^h 17^m 09.04^s +07° 14' 44.1" P.A. 89.00 sep 147.5 mag 8.03,13.03 Sp F8

Coord 2000	09171+0717	Discov num	STTA 98	Comp	BC	Coord arcsec 2000	09 17 09.04 +07 14 44.1
Date first	1912	Date last	2017	Obs	7
Pa first	89	Pa last	88.8	P.A. Now (θ)	88.8°
Sep first	145.2	Sep last	147.5	Sep. Now (ρ)	147.5"
Mag pri	8.03	Mag sec	13.03	delta mag (ΔM)	5	Spectral class	F8 (yellow-white)
Pri motion ra	-028	Sec motion ra	+002
Pri motion dec	-035	Sec motion dec	-001
Notes	N (See Notes)

rPM=1.012

This double is not physical.

09171+0717 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show	HD 79955	117559	09 17 08 +07 16 31	STTA 98 AB	2017	24	170	107.2	8.32	8.03	0.29
Show		117560	09 17 09 +07 14 44	STTA 98 BC	2017	7	89	147.5	8.03	13.03	5.00		<===

Triple system
3 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Constellation	Cancer		SAO	117560		Tycho2	0233-00371-1		Gaia DR2	587016755420482176
HD	79956

WDS 09171+0717 STTA 98 BC : NOTES

discov_num	notes	refcode
STTA 98	AB: Pair appears in an appendix list, not part of discoverer's regular
	numbering sequence.

REFERENCES

refcode	metd	author	reference
STTA		(O. Struve DD - Appendix list)	...................
Stt1864	Ma -	Struve, O.	1864MNRAS..24..149S
Stt1864		MNRAS 24, 149, 1864
Stt1866	orb -	Struve, O.	.
Stt1866		Bull. Imp. Acad. Sci. St. Petersburg, 1866
Stt1874	orb -	Struve, O.	.
Stt1874		Compte Rendus 79, 1467, 1874
Stt1875	orb -	Struve, O.	1875MNRAS..35..367S
Stt1875		MNRAS 35, 367, 1875
Stt1878	Ma -	Struve, O.	1878ObPul...9....1S
Stt1878		Pulkova Observations 9, 1, 1878
Stt1879A	Ma -	Struve, O.	1879Obs.....2..304G
Stt1879A		cited by Gledhill (Obs 2, 304, 1879)
Stt1879B	Ma -	Struve, O.	1879Obs.....3..245G
Stt1879B		cited by Gledhill (Obs 3, 245, 1879)
Stt1879C	Ma -	Struve, O.	1879Obs.....2..344G
Stt1879C		cited by Gledhill (Obs 2, 344, 1879)
Stt1880A	Ma -	Struve, O.	1880Obs.....2..605H
Stt1880A		cited by Hunt (Obs. 3, 605, 1880)
Stt1880B	Ma -	Struve, O.	1880Obs.....3..535G
Stt1880B		cited by Gledhill (Obs 3, 535, 1880)
Stt1880C	Ma -	Struve, O.	1880MNRAS..40..497B
Stt1880C		cited by Burnham (MNRAS 40, 497, 1880)
Stt1884A	Ma -	Struve, O.	1884AReg...22..216S
Stt1884A		cited by Sadler (Astr. Register 22, 216, 1884)
Stt1893a	Ma j	Struve, O.	1893ObPul..10....1S
Stt1893a		Pulkova Obs. Observations 10, 1, 1893
Stt1906A	Ma -	Struve, O.	1906MmRAS..56....1L
Stt1906A		cited by Lewis (MemRAS 56, 1, 1906)
Stt1906B	Ma j	Struve, O.	1906QB821.B972.....
Stt1906B		cited in BDS (Burnham Double Star Cat., 1906)
Stt1908A	Ma -	Struve, O.	1908MNRAS..68..465B
Stt1908A		cited by Barnard (MNRAS 68, 465, 1908)
Stt1913A	Ma -	Struve, O.	1913QB811.B8.......
Stt1913A		cited by Burnham (Carnegie Inst. Wash. #168, 1913)
Stt1914A	Ma -	Struve, O.	1914AN....198..107R
Stt1914A		cited by Rabe (AN 198, 107, 1914)
Stt1932A	Ma -	Struve, O.	1932QB821.A43......
Stt1932A		cited in ADS (Aitken Double Star Cat., 1932)

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
09171+0717	STTA 98	BC	1912	1	89	145.2	8.90	13.90	F8	N	091710.30+071258.0
09171+0717	STTA 98	BC	2000	2	89	147.3	8.03	13.00	F8	N D	091709.04+071444.1
09171+0717	STTA 98	BC	2017	4	89	147.5	8.03	13.03	F8	N	091709.04+071444.1

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

WDS 09171+0717 STTA 98 BC : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 09171+0717 STTA 98 BC : MEASURES

No records found.

WDS 09171+0717 : VIRTUAL EYEPIECE

Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.

WDS 09171+0717 : ALADIN DSS IMAGE @ 09^h 17^m 09.04^s +07° 14' 44.1"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 09171+0717 STTA 98 BC : NEIGHBORHOODS

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		09171+0717	STTA 98	BC	89	147.5	1
Show		09171+0717	STTA 98	AB	170	107.2	2
Show		09158+0657	DAM1581		171	1.5	28
Show		09157+0654	TDS6430		239	0.8	30
Show		09157+0650	DAM1580		225	4.0	33
Show		09199+0633	GTZ 1		84	16.1	59
Show		09168+0814	HJ 808	AB	204	24.3	60
Show		09168+0814	BRT2147	AC	200	5.4	60
Show		09168+0814	OCC9033	Aa,Ab	125	0.0	60
Show		09205+0752	BRT2148		37	3.3	63
Show		09162+0610	SLW 339		9	106.3	67
Show		09152+0824	GWP1152		7	39.8	76
Show		09131+0759	GWP1148		146	58.1	76
Show		09207+0810	A 2976	BC	137	1.0	76
Show		09207+0810	A 2976	AB	237	28.6	77
Show		09195+0607	HJ 129		244	10.0	77
Show		09153+0602	A 2754		343	1.1	79
Show		09226+0725	A 2977		267	1.6	82
Show		09209+0816	DAM1601		317	13.8	83
Show		09203+0559	LNV 1		232	14.9	90
Show		09204+0834	GTZ 7		238	15.4	93
Show		09198+0844	GWP1161		332	10.1	98
Show		09129+0834	GWP1147		172	27.6	102
Show		09104+0649	GOM 7		97	369.5	104
Show		09163+0530	SLW 340		82	81.2	106
Show		09153+0531	HJ 124	AB	71	15.4	108
Show		09153+0531	HJ 124	AC	242	62.1	108
Show		09153+0531	SKF1841	AD	274	17.6	108
Show		09133+0540	WFC 81	AB	76	8.1	111
Show		09123+0550	TDS6392		130	0.6	112
Show		09225+0843	HJ 5477		327	30.5	114
Show		09164+0521	SKF1717		214	1.3	115
Show		09094+0724	GWP1140		72	73.8	116
Show		09093+0723	UC 1758		155	18.2	117
Show		09245+0621	NSN 594	CD	22	1.8	120
Show		09111+0835	STF1319		50	13.5	120
Show		09245+0621	STF1348	AB	314	2.0	122
Show		09245+0621	LDS3888	AC	325	123.1	122
Show		09141+0906	J 415		58	4.2	123
Show		09184+0918	OCC 908		-1	0.1	125
Show		09177+0922	OCC 909		-1	0.1	128
Show		09104+0550	SKF 964		279	2.1	132
Show		09261+0704	GWP1173		252	541.5	133
Show		09126+0915	HEI 483		228	0.9	138
Show		09200+0500	STF1343		275	9.1	142
Show		09204+0502	SLW 350		27	10.7	142
Show		09076+0713	GWP1138		340	108.9	142
Show		09228+0519	HJ 133		316	16.8	144
Show		09100+0849	J 2067		342	11.0	145
Show		09104+0902	GWP1144		62	41.2	147
Show		09266+0632	BU 589		219	3.1	148

WDS 09171+0717 : COMPONENTS

	A	B
B	pa=170.1° sep=108.21"
C	pa=122.1° sep=194.68"	pa=88.8° sep=146.32"

09171+0717 A

Name	HD 79955	Coord arcsec 2000	091707.79+071630.7	Mag	8.32	Spectral class	F8 (yellow-white)
PmRA	-9.00	PmDE	-68.0	SAO	117559	Tycho2	0233-00357-1
HD	79955	DM	BD+07 2101

Tycho2

Tycho2	0233-00357-1	Pflag		RAmdeg	139.28247668	DEmdeg	7.27518598
PmRA	-9.4	PmDE	-70.0	E RAmdeg	5	E DEmdeg	8
E pmRA	1.6	E pmDE	1.7	EpRAm	1991.43	EpDEm	1990.53
Num	9	Q RAmdeg	0.4	Q DEmdeg	0.6	Q pmRA	0.5
Q pmDE	0.6	BTmag	8.853	E BTmag	0.017	VTmag	8.316
E VTmag	0.012	Prox	999	TYC	T	HIP
CCDM		RAdeg	139.28249889	DEdeg	7.27535833	EpRA 1990	1.68
EpDE 1990	1.15	E RAdeg	5.2	E DEdeg	7.7	Posflg
Corr	0.2

SAO

SAO	117559	DelFlag		RA1950		PmRA1950	-0.0008
DE1950		PmDE1950	-0.074	Vmag	8.4	SpType	F8
Double code		Source	32	CatNum	5035	DM	BD+07 2101
DMcomp		BDsup		HD	79955	M HD	0
GC		RA1950rad	2.41934572	DE1950rad	0.13065909	PmRA2000	-0.0007
PmDE2000	-0.071

09171+0717 B

Coord arcsec 2000	091709.04+071444.1	Coord calc	091709.04+071444.1	Mag	8.03	Spectral class	F8 (yellow-white)
PmRA	-28.00	PmDE	-35.0	SAO	117560	Tycho2	0233-00371-1
HD	79956	DM	BD+07 2102	Calc delta mag	0.29

Tycho2

Tycho2	0233-00371-1	Pflag		RAmdeg	139.28767207	DEmdeg	7.24559115
PmRA	-30.1	PmDE	-34.8	E RAmdeg	5	E DEmdeg	7
E pmRA	1.7	E pmDE	1.6	EpRAm	1991.48	EpDEm	1990.68
Num	10	Q RAmdeg	1.0	Q DEmdeg	1.3	Q pmRA	0.9
Q pmDE	1.3	BTmag	8.564	E BTmag	0.017	VTmag	8.026
E VTmag	0.012	Prox	999	TYC	T	HIP
CCDM		RAdeg	139.28774194	DEdeg	7.24567639	EpRA 1990	1.69
EpDE 1990	1.13	E RAdeg	4.7	E DEdeg	6.7	Posflg
Corr	0.2

SAO

SAO	117560	DelFlag		RA1950		PmRA1950	-0.0024
DE1950		PmDE1950	-0.039	Vmag	8.2	SpType	F8
Double code		Source	32	CatNum	5036	DM	BD+07 2102
DMcomp		BDsup		HD	79956	M HD	0
GC		RA1950rad	2.41944235	DE1950rad	0.13013512	PmRA2000	-0.0023
PmDE2000	-0.036

09171+0717 C

Coord arcsec 2000	091718.87+071447.2		Mag	13.03		PmRA	2.00		PmDE	-1.0
Calc delta mag	4.71		Calc coord	yes