Exposure
ID
GRAVI.2025-11-22T04:41:49.086_1
Header ID
GRAVI.2025-11-22T04:41:49.086
Date updated
2025-11-22 04:55:57 UTC+0000
Release date
2025-11-22 04:41:49 UTC+0000
UTC Start
2025-11-22 04:41:49.086
UTC End
2025-11-22 04:45:01.086
MJD Start
61001.19570701
MJD End
61001.19792923223
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.013329
Ambient temperature (°C)
14.3
Seeing (arcsec)
0.33499999999999996
Observation
ID
71781
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
53289
Name
HD_58215
RA
110.86846
DEC
-27.83432
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 21.0040 21.1600 128.9000 129.0000
A0-D0 26.1570 26.3220 38.5000 39.4000
A0-C1 16.4410 16.6600 96.9420 97.2810
B2-D0 33.6550 33.6560 359.9000 0.5000
B2-C1 11.2120 11.2120 359.8970 0.4360
D0-C1 22.4440 22.4440 179.9440 180.4830
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 61001.19570701
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 58215
HIERARCH ESO INS SOBJ NAME HD_58215
RA 110.86846
DEC -27.83432
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 21.004
HIERARCH ESO ISS PBL12 END 21.16
HIERARCH ESO ISS PBLA12 START 128.9
HIERARCH ESO ISS PBLA12 END 129.0
HIERARCH ESO ISS PBL13 START 26.157
HIERARCH ESO ISS PBL13 END 26.322
HIERARCH ESO ISS PBLA13 START 38.5
HIERARCH ESO ISS PBLA13 END 39.4
HIERARCH ESO ISS PBL14 START 16.441
HIERARCH ESO ISS PBL14 END 16.66
HIERARCH ESO ISS PBLA14 START 96.942
HIERARCH ESO ISS PBLA14 END 97.281
HIERARCH ESO ISS PBL23 START 33.655
HIERARCH ESO ISS PBL23 END 33.656
HIERARCH ESO ISS PBLA23 START 359.9
HIERARCH ESO ISS PBLA23 END 0.5
HIERARCH ESO ISS PBL24 START 11.212
HIERARCH ESO ISS PBL24 END 11.212
HIERARCH ESO ISS PBLA24 START 359.897
HIERARCH ESO ISS PBLA24 END 0.436
HIERARCH ESO ISS PBL34 START 22.444
HIERARCH ESO ISS PBL34 END 22.444
HIERARCH ESO ISS PBLA34 START 179.944
HIERARCH ESO ISS PBLA34 END 180.483
HIERARCH ESO ISS AMBI TAU0 START 0.01461
HIERARCH ESO ISS AMBI TAU0 END 0.012048
HIERARCH ESO ISS AMBI TEMP 14.3
HIERARCH ESO ISS AMBI FWHM START 0.32
HIERARCH ESO ISS AMBI FWHM END 0.35