Exposure
ID
GRAVI.2022-12-30T06:29:50.111_1
Header ID
GRAVI.2022-12-30T06:29:50.111
Date updated
2022-12-30 06:46:05 UTC+0000
Release date
2023-12-30 06:46:05 UTC+0000
UTC Start
2022-12-30 06:29:50.111
UTC End
2022-12-30 06:33:50.111
MJD Start
59943.27071888
MJD End
59943.2734966578
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.002415
Ambient temperature (°C)
11.29
Seeing (arcsec)
1.0
Observation
ID
53737
Category
science
Program ID
110.23QY.001
Program Title
HIGH-PRECISION MASSES AND DISTANCES OF SPECTROSCOPIC BINARIES WITH INTERFEROMETRY - PART I
Program Type
Normal
PI / COI
GALLENNE/ PIETRZYNSKI/ GIEREN/ KERVELLA/ MÉRAND/ GRACZYK
Target
ID
39943
Name
HD70937
RA
126.151946
DEC
-4.71729
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 G2 J2 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G2 66.5830 66.8020 52.0000 52.3000
A0-J2 129.2340 129.2000 92.6000 92.7000
A0-J3 128.4090 128.8420 47.5820 47.8470
G2-J2 89.7990 89.5340 121.4000 121.6000
G2-J3 62.2380 62.4480 42.8360 43.1320
J2-J3 98.6290 98.4160 339.6450 340.0730
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 110.23QY.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 59943.27071888
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD70937
HIERARCH ESO INS SOBJ NAME HD70937
RA 126.151946
DEC -4.71729
HIERARCH ESO INS SPEC RES HIGH
HIERARCH ESO INS POLA MODE COMBINED
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 A0
HIERARCH ESO ISS CONF STATION2 G2
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 J3
EXPTIME 256.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 8
HIERARCH ESO ISS PBL12 START 66.583
HIERARCH ESO ISS PBL12 END 66.802
HIERARCH ESO ISS PBLA12 START 52.0
HIERARCH ESO ISS PBLA12 END 52.3
HIERARCH ESO ISS PBL13 START 129.234
HIERARCH ESO ISS PBL13 END 129.2
HIERARCH ESO ISS PBLA13 START 92.6
HIERARCH ESO ISS PBLA13 END 92.7
HIERARCH ESO ISS PBL14 START 128.409
HIERARCH ESO ISS PBL14 END 128.842
HIERARCH ESO ISS PBLA14 START 47.582
HIERARCH ESO ISS PBLA14 END 47.847
HIERARCH ESO ISS PBL23 START 89.799
HIERARCH ESO ISS PBL23 END 89.534
HIERARCH ESO ISS PBLA23 START 121.4
HIERARCH ESO ISS PBLA23 END 121.6
HIERARCH ESO ISS PBL24 START 62.238
HIERARCH ESO ISS PBL24 END 62.448
HIERARCH ESO ISS PBLA24 START 42.836
HIERARCH ESO ISS PBLA24 END 43.132
HIERARCH ESO ISS PBL34 START 98.629
HIERARCH ESO ISS PBL34 END 98.416
HIERARCH ESO ISS PBLA34 START 339.645
HIERARCH ESO ISS PBLA34 END 340.073
HIERARCH ESO ISS AMBI TAU0 START 0.00277
HIERARCH ESO ISS AMBI TAU0 END 0.00206
HIERARCH ESO ISS AMBI TEMP 11.29
HIERARCH ESO ISS AMBI FWHM START 0.97
HIERARCH ESO ISS AMBI FWHM END 1.03