Exposure
ID
GRAVI.2025-11-16T05:43:53.435_1
Header ID
GRAVI.2025-11-16T05:43:53.435
Date updated
2025-11-16 05:56:45 UTC+0000
Release date
2025-11-16 05:43:53 UTC+0000
UTC Start
2025-11-16 05:43:53.435
UTC End
2025-11-16 05:47:05.435
MJD Start
60995.2388129
MJD End
60995.24103512223
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.0032589999999999997
Ambient temperature (°C)
11.78
Seeing (arcsec)
0.53
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 22.7180 22.8310 129.7000 130.0000
A0-D0 30.1040 30.2160 51.1000 51.8000
A0-C1 19.7480 19.8910 99.8510 100.3010
B2-D0 33.9330 33.9320 10.1000 10.6000
B2-C1 11.3030 11.3030 10.0610 10.5780
D0-C1 22.6300 22.6290 190.1160 190.6330
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 60995.2388129
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 22.718
HIERARCH ESO ISS PBL12 END 22.831
HIERARCH ESO ISS PBLA12 START 129.7
HIERARCH ESO ISS PBLA12 END 130.0
HIERARCH ESO ISS PBL13 START 30.104
HIERARCH ESO ISS PBL13 END 30.216
HIERARCH ESO ISS PBLA13 START 51.1
HIERARCH ESO ISS PBLA13 END 51.8
HIERARCH ESO ISS PBL14 START 19.748
HIERARCH ESO ISS PBL14 END 19.891
HIERARCH ESO ISS PBLA14 START 99.851
HIERARCH ESO ISS PBLA14 END 100.301
HIERARCH ESO ISS PBL23 START 33.933
HIERARCH ESO ISS PBL23 END 33.932
HIERARCH ESO ISS PBLA23 START 10.1
HIERARCH ESO ISS PBLA23 END 10.6
HIERARCH ESO ISS PBL24 START 11.303
HIERARCH ESO ISS PBL24 END 11.303
HIERARCH ESO ISS PBLA24 START 10.061
HIERARCH ESO ISS PBLA24 END 10.578
HIERARCH ESO ISS PBL34 START 22.63
HIERARCH ESO ISS PBL34 END 22.629
HIERARCH ESO ISS PBLA34 START 190.116
HIERARCH ESO ISS PBLA34 END 190.633
HIERARCH ESO ISS AMBI TAU0 START 0.003203
HIERARCH ESO ISS AMBI TAU0 END 0.003315
HIERARCH ESO ISS AMBI TEMP 11.78
HIERARCH ESO ISS AMBI FWHM START 0.59
HIERARCH ESO ISS AMBI FWHM END 0.47