Exposure
ID
GRAVI.2023-01-27T05:46:53.228_1
Header ID
GRAVI.2023-01-27T05:46:53.228
Date updated
2023-01-27 06:00:47 UTC+0000
Release date
2024-01-27 06:00:46 UTC+0000
UTC Start
2023-01-27 05:46:53.228
UTC End
2023-01-27 05:50:53.228
MJD Start
59971.24089384
MJD End
59971.2436716178
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.010283
Ambient temperature (°C)
14.62
Seeing (arcsec)
0.68
Observation
ID
54033
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
40156
Name
HD70937
RA
126.149717
DEC
-4.71729
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 83.3050 82.7160 118.1000 118.4000
A0-J2 123.5810 122.8610 94.2000 94.3000
A0-K0 126.3970 126.0210 73.3230 73.3650
G1-J2 58.1850 58.1390 58.7000 58.8000
G1-K0 89.1890 89.3360 32.2170 32.4590
J2-K0 45.3060 45.2910 357.2440 357.7520
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 59971.24089384
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD70937
HIERARCH ESO INS SOBJ NAME HD70937
RA 126.149717
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 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
EXPTIME 256.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 8
HIERARCH ESO ISS PBL12 START 83.305
HIERARCH ESO ISS PBL12 END 82.716
HIERARCH ESO ISS PBLA12 START 118.1
HIERARCH ESO ISS PBLA12 END 118.4
HIERARCH ESO ISS PBL13 START 123.581
HIERARCH ESO ISS PBL13 END 122.861
HIERARCH ESO ISS PBLA13 START 94.2
HIERARCH ESO ISS PBLA13 END 94.3
HIERARCH ESO ISS PBL14 START 126.397
HIERARCH ESO ISS PBL14 END 126.021
HIERARCH ESO ISS PBLA14 START 73.323
HIERARCH ESO ISS PBLA14 END 73.365
HIERARCH ESO ISS PBL23 START 58.185
HIERARCH ESO ISS PBL23 END 58.139
HIERARCH ESO ISS PBLA23 START 58.7
HIERARCH ESO ISS PBLA23 END 58.8
HIERARCH ESO ISS PBL24 START 89.189
HIERARCH ESO ISS PBL24 END 89.336
HIERARCH ESO ISS PBLA24 START 32.217
HIERARCH ESO ISS PBLA24 END 32.459
HIERARCH ESO ISS PBL34 START 45.306
HIERARCH ESO ISS PBL34 END 45.291
HIERARCH ESO ISS PBLA34 START 357.244
HIERARCH ESO ISS PBLA34 END 357.752
HIERARCH ESO ISS AMBI TAU0 START 0.011341
HIERARCH ESO ISS AMBI TAU0 END 0.009225
HIERARCH ESO ISS AMBI TEMP 14.62
HIERARCH ESO ISS AMBI FWHM START 0.66
HIERARCH ESO ISS AMBI FWHM END 0.7