Exposure
ID
GRAVI.2025-11-29T03:53:42.901_1
Header ID
GRAVI.2025-11-29T03:53:42.901
Date updated
2025-11-29 04:06:16 UTC+0000
Release date
2025-11-29 03:53:42 UTC+0000
UTC Start
2025-11-29 03:53:42.901
UTC End
2025-11-29 03:56:22.901
MJD Start
61008.1623021
MJD End
61008.16415395185
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0131395
Ambient temperature (°C)
15.68
Seeing (arcsec)
0.685
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 47.9070 47.9720 142.7000 142.7000
A0-J2 94.5100 95.6280 86.4000 86.5000
A0-J6 150.5590 150.6230 3.4280 3.9060
B5-J2 78.7400 79.5820 56.0000 56.5000
B5-J6 189.4490 189.3570 353.9280 354.2950
J2-J6 167.6800 167.7410 329.4200 329.4830
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 61008.1623021
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 47.907
HIERARCH ESO ISS PBL12 END 47.972
HIERARCH ESO ISS PBLA12 START 142.7
HIERARCH ESO ISS PBLA12 END 142.7
HIERARCH ESO ISS PBL13 START 94.51
HIERARCH ESO ISS PBL13 END 95.628
HIERARCH ESO ISS PBLA13 START 86.4
HIERARCH ESO ISS PBLA13 END 86.5
HIERARCH ESO ISS PBL14 START 150.559
HIERARCH ESO ISS PBL14 END 150.623
HIERARCH ESO ISS PBLA14 START 3.428
HIERARCH ESO ISS PBLA14 END 3.906
HIERARCH ESO ISS PBL23 START 78.74
HIERARCH ESO ISS PBL23 END 79.582
HIERARCH ESO ISS PBLA23 START 56.0
HIERARCH ESO ISS PBLA23 END 56.5
HIERARCH ESO ISS PBL24 START 189.449
HIERARCH ESO ISS PBL24 END 189.357
HIERARCH ESO ISS PBLA24 START 353.928
HIERARCH ESO ISS PBLA24 END 354.295
HIERARCH ESO ISS PBL34 START 167.68
HIERARCH ESO ISS PBL34 END 167.741
HIERARCH ESO ISS PBLA34 START 329.42
HIERARCH ESO ISS PBLA34 END 329.483
HIERARCH ESO ISS AMBI TAU0 START 0.014415
HIERARCH ESO ISS AMBI TAU0 END 0.011864
HIERARCH ESO ISS AMBI TEMP 15.68
HIERARCH ESO ISS AMBI FWHM START 0.64
HIERARCH ESO ISS AMBI FWHM END 0.73