Exposure
ID
GRAVI.2025-01-08T01:49:25.895_1
Header ID
GRAVI.2025-01-08T01:49:25.895
Date updated
2025-01-08 02:00:51 UTC+0000
Release date
2025-01-08 01:49:25 UTC+0000
UTC Start
2025-01-08 01:49:25.895
UTC End
2025-01-08 01:52:05.895
MJD Start
60683.07599416
MJD End
60683.07784601185
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0038764999999999997
Ambient temperature (°C)
14.95
Seeing (arcsec)
0.855
Observation
ID
63094
Category
calibrator
Program ID
114.27NF.001
Program Title
UNVELING THE MASS-LOSS PROCESS OF RED SUPERGIANTS: THE VARIABILITY ACROSS THE MOLECULAR LAYERS AND THE PHOTOSPHERE
Program Type
Normal
PI / COI
JADLOVSKý / WITTKOWSKI / CHIAVASSA / KRAVCHENKO / GONZÁLEZ-TORÀ / KRTICKA / PALADINI / HÖFNER / FREYTAG
Target
ID
47004
Name
HD_57478
RA
110.241636
DEC
-14.36049
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-SPLIT
Instrument sub-mode
SINGLE
Stations
A0 B5 J2 J6
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B5 46.6940 46.7990 141.7000 141.7000
A0-J2 93.6010 94.6960 79.6000 79.9000
A0-J6 158.6940 158.7280 2.3580 2.8150
B5-J2 82.7760 83.4980 49.7000 50.3000
B5-J6 196.4790 196.4140 353.4480 353.8030
J2-J6 165.4460 165.6310 328.8780 328.9570
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 114.27NF.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 60683.07599416
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 57478
HIERARCH ESO INS SOBJ NAME HD_57478
RA 110.241636
DEC -14.36049
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 B5
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 J6
EXPTIME 178.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 16
HIERARCH ESO ISS PBL12 START 46.694
HIERARCH ESO ISS PBL12 END 46.799
HIERARCH ESO ISS PBLA12 START 141.7
HIERARCH ESO ISS PBLA12 END 141.7
HIERARCH ESO ISS PBL13 START 93.601
HIERARCH ESO ISS PBL13 END 94.696
HIERARCH ESO ISS PBLA13 START 79.6
HIERARCH ESO ISS PBLA13 END 79.9
HIERARCH ESO ISS PBL14 START 158.694
HIERARCH ESO ISS PBL14 END 158.728
HIERARCH ESO ISS PBLA14 START 2.358
HIERARCH ESO ISS PBLA14 END 2.815
HIERARCH ESO ISS PBL23 START 82.776
HIERARCH ESO ISS PBL23 END 83.498
HIERARCH ESO ISS PBLA23 START 49.7
HIERARCH ESO ISS PBLA23 END 50.3
HIERARCH ESO ISS PBL24 START 196.479
HIERARCH ESO ISS PBL24 END 196.414
HIERARCH ESO ISS PBLA24 START 353.448
HIERARCH ESO ISS PBLA24 END 353.803
HIERARCH ESO ISS PBL34 START 165.446
HIERARCH ESO ISS PBL34 END 165.631
HIERARCH ESO ISS PBLA34 START 328.878
HIERARCH ESO ISS PBLA34 END 328.957
HIERARCH ESO ISS AMBI TAU0 START 0.003768
HIERARCH ESO ISS AMBI TAU0 END 0.003985
HIERARCH ESO ISS AMBI TEMP 14.95
HIERARCH ESO ISS AMBI FWHM START 0.79
HIERARCH ESO ISS AMBI FWHM END 0.92