Exposure
ID
GRAVI.2025-11-25T03:48:07.947_1
Header ID
GRAVI.2025-11-25T03:48:07.947
Date updated
2025-11-25 04:01:14 UTC+0000
Release date
2025-11-25 03:48:07 UTC+0000
UTC Start
2025-11-25 03:48:07.947
UTC End
2025-11-25 03:51:19.947
MJD Start
61004.15842531
MJD End
61004.160647532226
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.004285000000000001
Ambient temperature (°C)
13.2
Seeing (arcsec)
0.8200000000000001
Observation
ID
71845
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 B5 D0 G1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B5 39.8180 40.0810 134.7000 134.8000
A0-D0 27.4040 27.5280 33.8000 34.7000
A0-G1 63.1550 64.0150 89.4070 89.9350
B5-D0 52.4230 52.4610 345.5000 345.9000
B5-G1 45.0870 45.4680 50.5620 51.4750
D0-G1 52.7780 53.3590 114.7890 115.0220
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 61004.15842531
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 B5
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 G1
EXPTIME 222.0
HIERARCH ESO DET2 SEQ1 DIT 3.0
HIERARCH ESO DET2 NDIT 64
HIERARCH ESO ISS PBL12 START 39.818
HIERARCH ESO ISS PBL12 END 40.081
HIERARCH ESO ISS PBLA12 START 134.7
HIERARCH ESO ISS PBLA12 END 134.8
HIERARCH ESO ISS PBL13 START 27.404
HIERARCH ESO ISS PBL13 END 27.528
HIERARCH ESO ISS PBLA13 START 33.8
HIERARCH ESO ISS PBLA13 END 34.7
HIERARCH ESO ISS PBL14 START 63.155
HIERARCH ESO ISS PBL14 END 64.015
HIERARCH ESO ISS PBLA14 START 89.407
HIERARCH ESO ISS PBLA14 END 89.935
HIERARCH ESO ISS PBL23 START 52.423
HIERARCH ESO ISS PBL23 END 52.461
HIERARCH ESO ISS PBLA23 START 345.5
HIERARCH ESO ISS PBLA23 END 345.9
HIERARCH ESO ISS PBL24 START 45.087
HIERARCH ESO ISS PBL24 END 45.468
HIERARCH ESO ISS PBLA24 START 50.562
HIERARCH ESO ISS PBLA24 END 51.475
HIERARCH ESO ISS PBL34 START 52.778
HIERARCH ESO ISS PBL34 END 53.359
HIERARCH ESO ISS PBLA34 START 114.789
HIERARCH ESO ISS PBLA34 END 115.022
HIERARCH ESO ISS AMBI TAU0 START 0.004282
HIERARCH ESO ISS AMBI TAU0 END 0.004288
HIERARCH ESO ISS AMBI TEMP 13.2
HIERARCH ESO ISS AMBI FWHM START 0.67
HIERARCH ESO ISS AMBI FWHM END 0.97