02166+3031 MLB 741 AC

02^h 16^m 37.40^s +30° 30' 53.0" P.A. 146.00 sep 18.1 mag 11.46,11.90

Coord 2000	02166+3031	Discov num	MLB 741	Comp	AC	Coord arcsec 2000	02 16 37.40 +30 30 53.0
Date first	1901	Date last	2015	Obs	10
Pa first	138	Pa last	146.3	P.A. Now (θ)	146.3°
Sep first	17.9	Sep last	18.134	Sep. Now (ρ)	18.134"
Mag pri	11.46	Mag sec	11.90	delta mag (ΔM)	0.44	Spectral class
Pri motion ra	+020	Sec motion ra	+000
Pri motion dec	+016	Sec motion dec	+003
Notes

rPM=0.931

This double is not physical.

02166+3031 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			02 16 37 +30 30 53	MLB 741 AB	2015	11	297	7.1	11.46	12.00	0.54
Show			02 16 37 +30 30 53	MLB 741 AC	2015	10	146	18.1	11.46	11.90	0.44		<===

Triple system
3 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Constellation

Triangulum

Tycho2

2310-00827-1

Gaia DR2

324297866532016640

WDS 02166+3031 MLB 741 AC : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
Mlb1918	Mb -	Milburn, W. (Espin, T.E.)	1918MNRAS..78..189E
Mlb1918		MNRAS 78, 189, 1918 (MLB 1 - 35; measures by Espin)
Mlb1919	Mb -	Milburn, W. (Espin, T.E.)	1919MNRAS..79..211E
Mlb1919		MNRAS 79, 211, 1919 (MLB 36 - 106; measures by Espin)
Mlb1920	Mb -	Milburn, W.	1920MNRAS..80..329M
Mlb1920		MNRAS 80, 329, 1920 (MLB 107 - 149)
Mlb1921	Mb -	Milburn, W.	1921MNRAS..81..232E
Mlb1921		MNRAS 81, 232, 1921 (MLB 150 - 182)
Mlb1922	Mb j	Milburn, W. (Espin, T.E.)	1922MNRAS..82..187E
Mlb1922		MNRAS 82, 187, 1922 (MLB 183 - 241; measures by Espin)
Mlb1923	Mb -	Milburn, W.	1923MNRAS..83..154E
Mlb1923		MNRAS 83, 154, 1923 (MLB 242 - 275)
Mlb1924	Mb -	Milburn, W.	1924MNRAS..84..162E
Mlb1924		MNRAS 84, 162, 1924 (MLB 276 - 322)
Mlb1925	Mb j	Milburn, W.	1925MNRAS..85..276E
Mlb1925		MNRAS 85, 276, 1925 (MLB 323 - 376)
Mlb1926	Mb -	Milburn, W.	1926MNRAS..86..131E
Mlb1926		MNRAS 86, 131, 1926 (MLB 377 - 440)
Mlb1927	Mb j	Milburn, W.	1927MNRAS..87..215E
Mlb1927	+Po	MNRAS 87, 215, 1927 (MLB 441 - 510)
Mlb1928	Mb -	Milburn, W.	1928MNRAS..88..185E
Mlb1928		MNRAS 88, 185, 1928 (MLB 511 - 551)
Mlb1929	Mb -	Milburn, W.	1929MNRAS..89..268E
Mlb1929		MNRAS 89, 268, 1929 (MLB 552 - 591)
Mlb1930	Mb -	Milburn, W.	1930MNRAS..90..317E
Mlb1930		MNRAS 90, 317, 1930 (MLB 592 - 630)
Mlb1931	Mb j	Milburn, W.	1931MNRAS..91..294E
Mlb1931		MNRAS 91, 294, 1931 (MLB 631 - 673)
Mlb1932	Ma -	Milburn, W.	1932MNRAS..92..214E
Mlb1932	+Mb	MNRAS 92, 214, 1932 (MLB 674 - 732)
Mlb1932B	Ma -	Milburn, W.	1932QB821.A43......
Mlb1932B		cited by ADS (Aitken Double Star Cat., 1932)
Mlb1933	Ma j	Milburn, W.	1933MNRAS..93..192E
Mlb1933	+Mb	MNRAS 93, 192, 1933 (MLB 733 - 806)
Mlb1934	Mb j	Milburn, W.	1934MNRAS..94..255M
Mlb1934		MNRAS 94, 255, 1934 (MLB 807 - 912)
Mlb1935	Mb j	Milburn, W.	1935MNRAS..95..298M
Mlb1935		MNRAS 95, 298, 1935 (MLB 913 - 969)
Mlb1936	Mb -	Milburn, W.	1936MNRAS..96..266M
Mlb1936		MNRAS 96, 266, 1936 (MLB 970 - 997)
Mlb1937	Ma -	Milburn, W.	1937MNRAS..97..222M
Mlb1937	+Mb	MNRAS 97, 222, 1937 (MLB 998 - 1025)
Mlb1938	Ma -	Milburn, W.	1938MNRAS..98..223M
Mlb1938	+Mb	MNRAS 98, 223, 1938 (MLB 1026 - 1032)
Mlb1939	Mb -	Milburn, W.	1939MNRAS..99..278M
Mlb1939		MNRAS 99, 278, 1939 (MLB 1033 - 1051)
Mlb9999	Mb -	Milburn, W.	...................
Mlb9999		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
02166+3031	MLB 741	AC	1997	4	145	18.1	11.46	11.90		D	021637.40+303053.0
02166+3031	MLB 741	AC	2001	5	145	18.1	11.46	11.90		D	021637.40+303053.0
02166+3031	MLB 741	AC	2013	6	147	18.1	11.46	11.90			021637.40+303053.0
02166+3031	MLB 741	AC	2015	7	146	18.1	11.46	11.90			021637.40+303053.0

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

WDS 02166+3031 MLB 741 AC : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 02166+3031 MLB 741 AC : MEASURES

No records found.

WDS 02166+3031 : 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 02166+3031 : ALADIN DSS IMAGE @ 02^h 16^m 37.40^s +30° 30' 53.0"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 02166+3031 MLB 741 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		02166+3031	MLB 741	AB	297	7.1
Show		02166+3031	MLB 741	AC	146	18.1
Show		02160+3044	MLB 739		130	16.0	16
Show		02147+3024	STF 232		69	6.7	26
Show		02157+2957	MLB 738		275	9.1	37
Show		02161+3109	COU 670		133	0.8	39
Show		02199+3047	A 960		317	1.1	45
Show		02166+2945	KPP 83		249	3.6	47
Show		02201+3043	TDS2209		157	2.2	47
Show		02180+3116	A 959	AB	4	3.9	49
Show		02180+3116	FOX 123	AC	309	52.6	49
Show		02160+2940	MLB 740		340	6.4	52
Show		02124+3018	STF 227		67	4.0	57
Show		02202+2949	A 961		273	0.3	63
Show		02211+2956	A 962		67	0.9	68
Show		02115+3102	MLB1034		285	11.7	74
Show		02130+3129	TDS2161		50	0.9	75
Show		02108+3005	COU 456		71	0.5	81
Show		02189+2914	HJL1015		77	71.9	83
Show		02099+3025	MLB 681		85	6.4	88
Show		02109+2941	CHE 64		125	16.9	90
Show		02104+2948	BUP 29	AB	190	77.5	92
Show		02104+2948	BUP 29	AC	353	187.3	92
Show		02104+2948	BUP 29	AD	250	228.4	92
Show		02178+3202	UC 712		249	114.6	93
Show		02134+3155	CVR 40		161	29.5	95
Show		02235+2953	AZC 23		147	19.0	97
Show		02143+2850	MLB 682		291	5.9	106
Show		02194+3208	ES 2406		203	3.7	106
Show		02249+3039	HDS 314	AB	257	0.3	107
Show		02249+3039	UC 733	AC	180	20.4	107
Show		02174+2845	STF 239	EC	212	14.0	107
Show		02110+2912	CHE 66		162	37.2	109
Show		02133+2852	MLB 636		269	4.3	109
Show		02086+3123	WIS 54		79	503.6	117
Show		02190+2839	HJ 1115		205	58.3	117
Show		02245+2931	MLB 517		25	4.4	119
Show		02083+2933	CHE 56		55	28.3	124
Show		02087+2921	CHE 60		275	29.3	126
Show		02197+3232	HJ 648		98	9.6	127
Show		02086+2918	CHE 59	AB	216	27.5	128
Show		02086+2918	BTG 7	AD	297	28.5	128
Show		02086+2918	BTG 7	AC	209	39.9	128
Show		02086+2918	BTG 7	BC	196	12.6	129
Show		02109+2846	CHE 65		127	28.7	130
Show		02268+3003	LDS3385	AB	92	222.3	135
Show		02268+3003	UC 740	AC	125	32.5	135
Show		02080+2917	BKO 636		333	6.3	135
Show		02061+3027	LDS3342		284	36.0	136
Show		02219+2828	UC 31		194	25.3	141
Show		02270+3117	HO 216		6	1.4	142

WDS 02166+3031 : COMPONENTS

	A	B
B	pa=300.4° sep=6.32"
C	pa=150.1° sep=17.40"	pa=142.3° sep=23.10"

02166+3031 A

Coord arcsec 2000	021637.40+303053.0		Mag	11.46		PmRA	20.00		PmDE	16.0
Tycho2	2310-00827-1

Tycho2

Tycho2	2310-00827-1	Pflag		RAmdeg	34.15587006	DEmdeg	30.51473657
PmRA	19.8	PmDE	15.8	E RAmdeg	45	E DEmdeg	58
E pmRA	1.8	E pmDE	1.8	EpRAm	1983.98	EpDEm	1978.12
Num	5	Q RAmdeg	0.8	Q DEmdeg	0.6	Q pmRA	0.8
Q pmDE	0.6	BTmag	11.866	E BTmag	0.088	VTmag	11.457
E VTmag	0.100	Prox	999	TYC	T	HIP
CCDM		RAdeg	34.15581778	DEdeg	30.51470028	EpRA 1990	1.80
EpDE 1990	1.70	E RAdeg	46.5	E DEdeg	63.4	Posflg
Corr	-0.1

CCDM

Ccdm	02166+3031	RComp		Comp	A	Note1
Note2		Discov num		DRAs	1.29	DDEs	-6.1
R dRAs	65	Year		Theta		Rho
Obs	3	Vmag	11.2	Sp		PmNote
PmRA		PmDE		Dm number	+29 383	Cat1	BD
Name2		Cat2		HD		M HD
ADS BDS		M ADS BDS		N IDS		IDS	02108N3003A
HIC

02166+3031 B

Coord arcsec 2000	021636.98+303056.2		Mag	12		PmRA	-8.00		PmDE	1.0
Calc delta mag	0.54		Calc coord	yes

CCDM

Ccdm	02166+3031	RComp		Comp	B	Note1
Note2		Discov num	MLB 741	DRAs		DDEs
R dRAs		Year	1932	Theta	321	Rho	6.2
Obs	1	Vmag	11.7	Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS		M ADS BDS		N IDS		IDS	02108N3003B
HIC

02166+3031 C

Coord arcsec 2000	021638.07+303037.9		Mag	11.9		PmRA	0.00		PmDE	3.0
Calc delta mag	0.44		Calc coord	yes

CCDM

Ccdm	02166+3031	RComp		Comp	C	Note1
Note2		Discov num	MLB 741	DRAs	2.24	DDEs	-21.8
R dRAs	65	Year	1932	Theta	142	Rho	19.0
Obs	1	Vmag	11.7	Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS		M ADS BDS		N IDS		IDS	02108N3003C
HIC