Exposure
ID
GRAVI.2021-10-04T06:35:35.595_1
Header ID
GRAVI.2021-10-04T06:35:35.595
Date updated
2021-10-04 06:46:00 UTC+0000
Release date
2021-10-04 06:35:35 UTC+0000
UTC Start
2021-10-04 06:35:35.595
UTC End
2021-10-04 06:39:35.595
MJD Start
59491.27471754
MJD End
59491.2774953178
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.0052545
Ambient temperature (°C)
12.3
Seeing (arcsec)
0.725
Observation
ID
48405
Category
calibrator
Program ID
108.221X.001
Program Title
HIGH-PRECISION MASSES AND DISTANCES OF SPECTROSCOPIC BINARIES WITH INTERFEROMETRY - PART I
Program Type
Normal
PI / COI
GALLENNE/ PIETRZYNSKI/ GRACZYK/ PILECKI/ KERVELLA/ MÉRAND/ GIEREN
Target
ID
36294
Name
HD21967
RA
52.86877
DEC
-25.75935
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 89.1640 89.3940 111.4000 111.8000
A0-J2 127.1360 127.5060 87.9000 88.3000
A0-K0 126.3250 126.6230 65.7670 66.2870
G1-J2 57.7210 57.8140 49.7000 50.3000
G1-K0 90.3430 90.3720 20.8730 21.3790
J2-K0 48.5750 48.5850 345.8760 346.2860
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 108.221X.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 59491.27471754
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD21967
HIERARCH ESO INS SOBJ NAME HD21967
RA 52.86877
DEC -25.75935
HIERARCH ESO INS SPEC RES MEDIUM
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 255.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 8
HIERARCH ESO ISS PBL12 START 89.164
HIERARCH ESO ISS PBL12 END 89.394
HIERARCH ESO ISS PBLA12 START 111.4
HIERARCH ESO ISS PBLA12 END 111.8
HIERARCH ESO ISS PBL13 START 127.136
HIERARCH ESO ISS PBL13 END 127.506
HIERARCH ESO ISS PBLA13 START 87.9
HIERARCH ESO ISS PBLA13 END 88.3
HIERARCH ESO ISS PBL14 START 126.325
HIERARCH ESO ISS PBL14 END 126.623
HIERARCH ESO ISS PBLA14 START 65.767
HIERARCH ESO ISS PBLA14 END 66.287
HIERARCH ESO ISS PBL23 START 57.721
HIERARCH ESO ISS PBL23 END 57.814
HIERARCH ESO ISS PBLA23 START 49.7
HIERARCH ESO ISS PBLA23 END 50.3
HIERARCH ESO ISS PBL24 START 90.343
HIERARCH ESO ISS PBL24 END 90.372
HIERARCH ESO ISS PBLA24 START 20.873
HIERARCH ESO ISS PBLA24 END 21.379
HIERARCH ESO ISS PBL34 START 48.575
HIERARCH ESO ISS PBL34 END 48.585
HIERARCH ESO ISS PBLA34 START 345.876
HIERARCH ESO ISS PBLA34 END 346.286
HIERARCH ESO ISS AMBI TAU0 START 0.004594
HIERARCH ESO ISS AMBI TAU0 END 0.005915
HIERARCH ESO ISS AMBI TEMP 12.3
HIERARCH ESO ISS AMBI FWHM START 0.79
HIERARCH ESO ISS AMBI FWHM END 0.66