06410+0954 CHR 168 Aa,Ab

06^h 40^m 58.66^s +09° 53' 44.7" P.A. 269.00 sep 0.1 mag 4.66,5.90 Sp O7Ve dist. 281.69 pc (918.87 l.y.)

Coord 2000	06410+0954	Discov num	CHR 168	Comp	Aa,Ab	Coord arcsec 2000	06 40 58.66 +09 53 44.7
Date first	1988	Date last	2018	Obs	37
Pa first	13	Pa last	268.7	P.A. Now (θ)	268.7°
Sep first	0.1	Sep last	0.135	Sep. Now (ρ)	0.135"
Mag pri	4.66	Mag sec	5.90	delta mag (ΔM)	1.24	Spectral class	O7Ve (blue)
Pri motion ra	-001	Sec motion ra
Pri motion dec	-007	Sec motion dec
Notes	N O (See Notes, Orbital solution)

This double is physical.

06410+0954 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		114258	06 40 59 +09 53 45	CHR 168 Aa,Ab	2018	37	269	0.1	4.66	5.90	1.24	Y	<===
Show	15 Mon	114258	06 40 59 +09 53 45	STF 950 AB	2018	91	214	3.0	4.66	7.79	3.13
Show		114258	06 40 59 +09 53 45	STF 950 AC	2020	42	15	16.9	4.66	9.90	5.24
Show		114258	06 40 59 +09 53 45	STF 950 AD	2013	11	310	40.5	4.66	12.10	7.44
Show		114258	06 40 59 +09 53 45	STF 950 AE	2013	29	139	73.5	4.66	8.86	4.20
Show		114258	06 40 59 +09 53 45	STF 950 AF	2013	19	222	155.1	4.66	9.00	4.34
Show		114258	06 40 59 +09 53 45	STF 950 AG	2013	10	230	186.8	4.66	10.01	5.35
Show		114258	06 40 59 +09 53 45	STF 950 AH	2020	19	168	89.6	4.66	9.81	5.15
Show		114258	06 40 59 +09 53 45	JRN 31 AI	2013	6	155	124.3	4.66	12.84	8.18
Show		114258	06 40 59 +09 53 45	JRN 31 AJ	2013	7	143	142.9	4.66	12.54	7.88
Show		114258	06 40 59 +09 53 45	STF 950 AK	2020	14	57	106.5	4.66	10.40	5.74
Show		114258	06 40 59 +09 53 45	JRN 30 AL	2013	7	6	95.7	4.66	12.31	7.65
Show		114258	06 40 59 +09 53 45	STF 950 AM	2020	15	105	179.8	4.66	9.75	5.09
Show		114258	06 40 59 +09 53 45	STF 950 AO	2013	12	261	135.5	4.66	11.42	6.76
Show			06 41 02 +09 52 48	D 11 EH	2018	20	222	40.6	8.86	9.81	0.95
Show			06 41 02 +09 52 48	JRN 31 EI	2000	3	175	56.4	8.86	12.84	3.98
Show			06 41 02 +09 52 48	JRN 31 EJ	2000	5	147	69.0	8.86	12.54	3.68
Show			06 41 02 +09 52 48	D 11 EP	2020	30	42	3.6	8.86	10.40	1.54
Show			06 40 52 +09 51 49	STF 950 FG	2018	25	263	39.8	9.00	10.01	1.01
Show			06 40 52 +09 51 49	STF 950 FO	2015	12	342	98.3	9.00	11.42	2.42
Show			06 40 49 +09 51 44	STF 950 GO	2015	12	6	99.1	10.01	11.42	1.41
Show			06 41 04 +09 51 50	JRN 31 JI	2015	8	273	32.6	12.54	12.84	0.30
Show			06 41 05 +09 54 44	STF 950 KD	2015	6	254	123.8	10.40	12.10	1.70
Show			06 41 05 +09 54 44	JRN 30 KL	2015	8	295	85.3	10.40	12.31	1.91
Show			06 41 05 +09 54 44	STF 950 KQ	2015	4	258	114.5	10.40	17.50	7.10
Show			06 41 10 +09 53 02	STF 950 MK	2015	12	320	133.4	9.75	10.40	0.65
Show			06 41 10 +09 53 02	STF 952 MN	2018	35	116	14.1	9.75	10.05	0.30
Show			06 41 11 +09 52 56	STF 950 NK	2015	12	318	146.3	10.05	10.40	0.35

18-fold system
17 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Var name	S Mon	Constellation	Monoceros	SAO	114258	HIP	31978
Tycho2	0750-01880-1	Gaia DR2	3326740865570982400	HD	47839	HR	2456
GC	8720	ADS	5322	BD	BD+10 1220	Flamsteed	15 Monocerotis
Flamsteed name	15 Mon	Distance	281.69	Distance ly	918.87

ORBITAL ELEMENTS

Period (P)	74.28y	± 4.06	Periastron (T)	1996.06y	± 4.16	Semi-major axis (a)	0.0956a	± 0.0149
Eccentricity (e)	0.716	± 0.098	Inclination (i)	51.2°	± 3.1	Longitude of periastron (ω)	69.2°	± 11.1
Node (Ω)	52.6°	± 5.2	Notes	n		Reference	Cve2010f
Equinox	2000		Last observation	2006		Grade	5	(1=Definitive, 9=Indet.)

label	theta	rho
2000	225.2	0.052
2001	231.3	0.060
2002	236.0	0.068
2003	239.8	0.074
2004	243.1	0.080
2005	245.9	0.085
2006	248.4	0.090
2007	250.7	0.094
2008	252.9	0.097
2009	254.9	0.100
2010	256.8	0.103
2011	258.5	0.105
2012	260.3	0.107
2013	261.9	0.109
2014	263.5	0.111
2015	265.1	0.112
2016	266.6	0.114
2017	268.1	0.115
2018	269.5	0.116
2019	271.0	0.116
2020	272.4	0.117
2021	273.8	0.117
2022	275.2	0.117
2023	276.6	0.117
2024	278.0	0.117
2025	279.4	0.117
2026	280.8	0.117
2027	282.3	0.117
2028	283.7	0.116
2029	285.1	0.116
2030	286.6	0.115

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

Measures: green=micrometric, blue=interferometric, purple=photographic