08169+3331 SEI 491 AC

08^h 16^m 48.40^s +33° 30' 41.0" P.A. 140.00 sep 28.1 mag 11.00,11.00

Coord 2000	08169+3331	Discov num	SEI 491	Comp	AC	Coord arcsec 2000	08 16 48.40 +33 30 41.0
Date first	1894	Date last	2022	Obs	2
Pa first	141	Pa last	139.5	P.A. Now (θ)	139.5°
Sep first	28.1	Sep last	28.1	Sep. Now (ρ)	28.1"
Mag pri	11.00	Mag sec	11.00	delta mag (ΔM)	0	Spectral class
Pri motion ra		Sec motion ra
Pri motion dec		Sec motion dec
Notes	N X (See Notes, Dubious double)

Nature of this double is uncertain.

08169+3331 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			08 16 48 +33 30 41	SEI 490 AB	2022	2	132	16.4	11.00	11.00	0.00
Show			08 16 48 +33 30 41	SEI 491 AC	2022	2	140	28.1	11.00	11.00	0.00		<===

Triple system
3 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Constellation

Lynx

WDS 08169+3331 SEI 491 AC : NOTES

discov_num	notes	refcode
SEI 490	None of the components seen on POSS plate; may be flaws on AC Potsdam
	plate.
SEI 491	AC. See note to SEI 490.

REFERENCES

refcode	metd	author	reference
Sei1908	Pa -	Scheiner, J.	1908POPot..59.....S
Sei1908	+Po	Pub. Obs. Potsdam 20, #59, 1908
Sei1913A	Pa -	Scheiner, J.	1913QB811.B8.......
Sei1913A		cited by Burnham (Carnegie Inst. Wash. #168, 1913)
Sei1932A	Pa -	Scheiner, J.	1932QB821.A43......
Sei1932A		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
08169+3331	SEI 491	AC	1894	1	141	28.1	11.00	11.00		N	081648.40+333041.0
08169+3331	SEI 491	AC	2022	2	140	28.1	11.00	11.00		NX	081648.40+333041.0

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

WDS 08169+3331 SEI 491 AC : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 08169+3331 SEI 491 AC : MEASURES

No records found.

WDS 08169+3331 : 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 08169+3331 : ALADIN DSS IMAGE @ 08^h 16^m 48.40^s +33° 30' 41.0"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 08169+3331 SEI 491 AC : 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		08169+3331	SEI 490	AB	132	16.4
Show		08169+3331	SEI 491	AC	140	28.1
Show		08164+3326	COU1557		87	0.4	7
Show		08171+3348	HJ 780	BC	173	12.3	17
Show		08171+3348	HJ 780	AB	208	14.5	18
Show		08171+3348	HJ 780	AC	192	25.5	18
Show		08147+3311	HU 624		247	1.1	34
Show		08138+3346	AG 151		149	6.4	41
Show		08175+3250	HU 625		355	1.8	43
Show		08133+3342	UC 1654		206	42.3	46
Show		08149+3245	TDS5643		261	0.5	53
Show		08163+3423	GRV 755		154	40.7	54
Show		08216+3356	BU 576		134	1.6	66
Show		08157+3222	SKF 607		222	1.0	71
Show		08213+3419	LEP 31	AB	87	74.2	75
Show		08213+3419	BVD 161	AC	98	74.6	75
Show		08213+3419	BVD 161	AD	41	5.1	75
Show		08213+3419	BVD 161	CD	282	70.0	75
Show		08167+3216	ES 293		214	4.6	76
Show		08112+3255	SEI 488		315	22.4	79
Show		08221+3418	KPP1856		64	14.4	82
Show		08201+3219	HU 626		154	3.2	84
Show		08102+3347	ANR 1		295	5.4	84
Show		08116+3227	STT 564	AB	8	106.6	91
Show		08116+3227	STT 564	AC	66	289.3	91
Show		08116+3227	CRJ 2	Aa,Ab	190	0.5	91
Show		08116+3227	FYM 620	AD	204	44.2	91
Show		08240+3352	SLW 249		13	14.0	92
Show		08198+3207	SLW 236		211	12.6	92
Show		08197+3455	SKF 620		214	1.0	92
Show		08144+3202	TDS5637		103	0.8	94
Show		08224+3227	SEI 494		179	27.2	95
Show		08197+3201	OSW 45		204	31.4	97
Show		08195+3503	STTA 91	AB	210	94.7	99
Show		08195+3503	STTA 91	AC	207	30.9	99
Show		08088+3337	TVB 182		335	11.4	100
Show		08239+3245	SKF 631		177	1.1	101
Show		08245+3409	ES 2345	AB	213	5.9	104
Show		08245+3409	SIN 38	AC	234	48.7	104
Show		08245+3409	SIN 38	AD	302	98.8	104
Show		08108+3443	HDS1164		199	0.4	104
Show		08172+3515	BRT3250		81	5.4	104
Show		08106+3442	POP 109		21	1.8	105
Show		08192+3512	TDS5711		34	1.7	106
Show		08090+3249	DYR 1	AB	240	13.9	108
Show		08090+3249	BDT 2	Aa,Ab	70	0.2	108
Show		08090+3249	DYR 1	AC	292	11.2	108
Show		08206+3148	COU1558		58	1.1	113
Show		08245+3435	ES 2280		267	4.1	115
Show		08187+3139	SLW 233		222	124.3	115
Show		08244+3229	SEI 495		2	9.4	115

WDS 08169+3331 : COMPONENTS

	A	B
B	pa=137.0° sep=14.95"
C	pa=144.5° sep=26.23"	pa=154.3° sep=11.58"

08169+3331 A

Coord arcsec 2000

081648.40+333041.0

Mag

08169+3331 B

Coord arcsec 2000

081649.22+333030.1

Mag

Calc coord

yes

08169+3331 C

Coord arcsec 2000

081649.62+333019.6

Mag

Calc coord

yes