Exposure
ID
GRAVI.2025-11-28T05:22:28.909_1
Header ID
GRAVI.2025-11-28T05:22:28.909
Date updated
2025-11-28 05:31:26 UTC+0000
Release date
2025-11-28 05:22:28 UTC+0000
UTC Start
2025-11-28 05:22:28.909
UTC End
2025-11-28 05:25:08.909
MJD Start
61007.22394571
MJD End
61007.225797561856
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.007366
Ambient temperature (°C)
14.75
Seeing (arcsec)
0.475
Observation
ID
71886
Category
calibrator
Program ID
116.28P0.001
Program Title
UNVEILING THE MASS-LOSS PROCESS OF RED SUPERGIANTS: THE VARIABILITY ACROSS THE MOLECULAR LAYERS AND THE PHOTOSPHERE
Program Type
Normal
PI / COI
JADLOVSKY / WITTKOWSKI / CHIAVASSA / KRAVCHENKO / GONZÁLEZ-TORÀ / KRTICKA / PALADINI / HÖFNER / FREYTAG / ERCOLINO / JANIK
Target
ID
53367
Name
HD_48016
RA
100.256577
DEC
-7.57262
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 48.6090 48.5920 144.4000 144.5000
A0-J2 119.8780 120.4850 89.7000 89.8000
A0-J6 155.2690 155.5180 16.3670 16.7730
B5-J2 99.9840 100.5690 66.3000 66.6000
B5-J6 189.1310 189.2080 4.6870 5.0570
J2-J6 166.7540 166.6340 332.8410 333.0200
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 116.28P0.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 61007.22394571
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 48016
HIERARCH ESO INS SOBJ NAME HD_48016
RA 100.256577
DEC -7.57262
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 48.609
HIERARCH ESO ISS PBL12 END 48.592
HIERARCH ESO ISS PBLA12 START 144.4
HIERARCH ESO ISS PBLA12 END 144.5
HIERARCH ESO ISS PBL13 START 119.878
HIERARCH ESO ISS PBL13 END 120.485
HIERARCH ESO ISS PBLA13 START 89.7
HIERARCH ESO ISS PBLA13 END 89.8
HIERARCH ESO ISS PBL14 START 155.269
HIERARCH ESO ISS PBL14 END 155.518
HIERARCH ESO ISS PBLA14 START 16.367
HIERARCH ESO ISS PBLA14 END 16.773
HIERARCH ESO ISS PBL23 START 99.984
HIERARCH ESO ISS PBL23 END 100.569
HIERARCH ESO ISS PBLA23 START 66.3
HIERARCH ESO ISS PBLA23 END 66.6
HIERARCH ESO ISS PBL24 START 189.131
HIERARCH ESO ISS PBL24 END 189.208
HIERARCH ESO ISS PBLA24 START 4.687
HIERARCH ESO ISS PBLA24 END 5.057
HIERARCH ESO ISS PBL34 START 166.754
HIERARCH ESO ISS PBL34 END 166.634
HIERARCH ESO ISS PBLA34 START 332.841
HIERARCH ESO ISS PBLA34 END 333.02
HIERARCH ESO ISS AMBI TAU0 START 0.006675
HIERARCH ESO ISS AMBI TAU0 END 0.008057
HIERARCH ESO ISS AMBI TEMP 14.75
HIERARCH ESO ISS AMBI FWHM START 0.49
HIERARCH ESO ISS AMBI FWHM END 0.46