Exposure
ID
GRAVI.2025-11-28T08:06:38.327_1
Header ID
GRAVI.2025-11-28T08:06:38.327
Date updated
2025-11-28 08:16:11 UTC+0000
Release date
2025-11-28 08:06:38 UTC+0000
UTC Start
2025-11-28 08:06:38.327
UTC End
2025-11-28 08:09:18.327
MJD Start
61007.3379436
MJD End
61007.33979545186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.00587
Ambient temperature (°C)
14.34
Seeing (arcsec)
0.595
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 44.8740 44.7860 158.5000 158.9000
A0-J2 122.3530 121.8130 95.3000 95.5000
A0-J6 168.6800 168.8040 32.4730 32.6360
B5-J2 109.6430 109.3540 73.9000 74.0000
B5-J6 198.4080 198.5840 21.9290 22.1530
J2-J6 156.8420 156.6910 348.5020 348.8760
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 61007.3379436
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 44.874
HIERARCH ESO ISS PBL12 END 44.786
HIERARCH ESO ISS PBLA12 START 158.5
HIERARCH ESO ISS PBLA12 END 158.9
HIERARCH ESO ISS PBL13 START 122.353
HIERARCH ESO ISS PBL13 END 121.813
HIERARCH ESO ISS PBLA13 START 95.3
HIERARCH ESO ISS PBLA13 END 95.5
HIERARCH ESO ISS PBL14 START 168.68
HIERARCH ESO ISS PBL14 END 168.804
HIERARCH ESO ISS PBLA14 START 32.473
HIERARCH ESO ISS PBLA14 END 32.636
HIERARCH ESO ISS PBL23 START 109.643
HIERARCH ESO ISS PBL23 END 109.354
HIERARCH ESO ISS PBLA23 START 73.9
HIERARCH ESO ISS PBLA23 END 74.0
HIERARCH ESO ISS PBL24 START 198.408
HIERARCH ESO ISS PBL24 END 198.584
HIERARCH ESO ISS PBLA24 START 21.929
HIERARCH ESO ISS PBLA24 END 22.153
HIERARCH ESO ISS PBL34 START 156.842
HIERARCH ESO ISS PBL34 END 156.691
HIERARCH ESO ISS PBLA34 START 348.502
HIERARCH ESO ISS PBLA34 END 348.876
HIERARCH ESO ISS AMBI TAU0 START 0.005984
HIERARCH ESO ISS AMBI TAU0 END 0.005756
HIERARCH ESO ISS AMBI TEMP 14.34
HIERARCH ESO ISS AMBI FWHM START 0.58
HIERARCH ESO ISS AMBI FWHM END 0.61