Exposure
ID
GRAVI.2025-11-20T04:53:47.943_1
Header ID
GRAVI.2025-11-20T04:53:47.943
Date updated
2025-11-20 05:06:06 UTC+0000
Release date
2025-11-20 04:53:47 UTC+0000
UTC Start
2025-11-20 04:53:47.943
UTC End
2025-11-20 04:56:59.943
MJD Start
60999.20402712
MJD End
60999.20624934223
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.0014805
Ambient temperature (°C)
12.14
Seeing (arcsec)
1.955
Observation
ID
71777
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
53286
Name
HD_50235
RA
102.715461
DEC
-34.36731
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 21.5300 21.6700 127.3000 127.5000
A0-D0 28.9810 29.1080 44.3000 45.0000
A0-C1 18.2460 18.4220 95.5940 96.0610
B2-D0 33.9330 33.9330 5.2000 5.8000
B2-C1 11.3030 11.3030 5.1890 5.7190
D0-C1 22.6290 22.6300 185.2400 185.7700
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 60999.20402712
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 50235
HIERARCH ESO INS SOBJ NAME HD_50235
RA 102.715461
DEC -34.36731
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 222.0
HIERARCH ESO DET2 SEQ1 DIT 3.0
HIERARCH ESO DET2 NDIT 64
HIERARCH ESO ISS PBL12 START 21.53
HIERARCH ESO ISS PBL12 END 21.67
HIERARCH ESO ISS PBLA12 START 127.3
HIERARCH ESO ISS PBLA12 END 127.5
HIERARCH ESO ISS PBL13 START 28.981
HIERARCH ESO ISS PBL13 END 29.108
HIERARCH ESO ISS PBLA13 START 44.3
HIERARCH ESO ISS PBLA13 END 45.0
HIERARCH ESO ISS PBL14 START 18.246
HIERARCH ESO ISS PBL14 END 18.422
HIERARCH ESO ISS PBLA14 START 95.594
HIERARCH ESO ISS PBLA14 END 96.061
HIERARCH ESO ISS PBL23 START 33.933
HIERARCH ESO ISS PBL23 END 33.933
HIERARCH ESO ISS PBLA23 START 5.2
HIERARCH ESO ISS PBLA23 END 5.8
HIERARCH ESO ISS PBL24 START 11.303
HIERARCH ESO ISS PBL24 END 11.303
HIERARCH ESO ISS PBLA24 START 5.189
HIERARCH ESO ISS PBLA24 END 5.719
HIERARCH ESO ISS PBL34 START 22.629
HIERARCH ESO ISS PBL34 END 22.63
HIERARCH ESO ISS PBLA34 START 185.24
HIERARCH ESO ISS PBLA34 END 185.77
HIERARCH ESO ISS AMBI TAU0 START 0.001411
HIERARCH ESO ISS AMBI TAU0 END 0.00155
HIERARCH ESO ISS AMBI TEMP 12.14
HIERARCH ESO ISS AMBI FWHM START 2.0
HIERARCH ESO ISS AMBI FWHM END 1.91