Exposure
ID
GRAVI.2020-02-14T01:15:15.352_1
Header ID
GRAVI.2020-02-14T01:15:15.352
Date updated
2020-10-06 11:05:24 UTC+0000
Release date
2020-02-14 01:15:15 UTC+0000
UTC Start
2020-02-14 01:15:15.352
UTC End
2020-02-14 01:19:15.352
MJD Start
58893.05226102
MJD End
58893.0550387978
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.007144
Ambient temperature (°C)
16.21
Seeing (arcsec)
0.59
Observation
ID
54647
Category
calibrator
Program ID
104.20UZ.001
Program Title
BETELGEUSE IS BECOMING FAINTER: THE HIGH ANGULAR RESOLUTION RESPONSE
Program Type
ToO
PI / COI
MONTARGES/ CANTALLOUBE/ HUBY/ CANNON/ KERVELLA/ LAGADEC/ DUPREE/ DECIN/ LEBRE/ PERRIN/ LOPEZ ARISTE
Target
ID
33276
Name
HD_44945
RA
96.193344
DEC
3.76324
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-SPLIT
Instrument sub-mode
SINGLE
Stations
A0 B2 D0 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 23.8930 23.7880 138.0000 138.2000
A0-D0 31.1600 31.2850 73.2000 73.2000
A0-C1 22.4090 22.3520 113.2370 113.2300
B2-D0 30.1260 30.2590 27.4000 27.8000
B2-C1 10.0350 10.0790 27.3070 27.7220
D0-C1 20.0910 20.1800 207.3770 207.7920
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 104.20UZ.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 58893.05226102
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD_44945
HIERARCH ESO INS SOBJ NAME HD_44945
RA 96.193344
DEC 3.76324
HIERARCH ESO INS SPEC RES HIGH
HIERARCH ESO INS POLA MODE SPLIT
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 A0
HIERARCH ESO ISS CONF STATION2 B2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 C1
EXPTIME 256.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 8
HIERARCH ESO ISS PBL12 START 23.893
HIERARCH ESO ISS PBL12 END 23.788
HIERARCH ESO ISS PBLA12 START 138.0
HIERARCH ESO ISS PBLA12 END 138.2
HIERARCH ESO ISS PBL13 START 31.16
HIERARCH ESO ISS PBL13 END 31.285
HIERARCH ESO ISS PBLA13 START 73.2
HIERARCH ESO ISS PBLA13 END 73.2
HIERARCH ESO ISS PBL14 START 22.409
HIERARCH ESO ISS PBL14 END 22.352
HIERARCH ESO ISS PBLA14 START 113.237
HIERARCH ESO ISS PBLA14 END 113.23
HIERARCH ESO ISS PBL23 START 30.126
HIERARCH ESO ISS PBL23 END 30.259
HIERARCH ESO ISS PBLA23 START 27.4
HIERARCH ESO ISS PBLA23 END 27.8
HIERARCH ESO ISS PBL24 START 10.035
HIERARCH ESO ISS PBL24 END 10.079
HIERARCH ESO ISS PBLA24 START 27.307
HIERARCH ESO ISS PBLA24 END 27.722
HIERARCH ESO ISS PBL34 START 20.091
HIERARCH ESO ISS PBL34 END 20.18
HIERARCH ESO ISS PBLA34 START 207.377
HIERARCH ESO ISS PBLA34 END 207.792
HIERARCH ESO ISS AMBI TAU0 START 0.008086
HIERARCH ESO ISS AMBI TAU0 END 0.006202
HIERARCH ESO ISS AMBI TEMP 16.21
HIERARCH ESO ISS AMBI FWHM START 0.6
HIERARCH ESO ISS AMBI FWHM END 0.58