Exposure
ID
GRAVI.2025-02-22T04:08:23.511_1
Header ID
GRAVI.2025-02-22T04:08:23.511
Date updated
2025-02-26 12:50:48 UTC+0000
Release date
2025-02-22 04:08:23 UTC+0000
UTC Start
2025-02-22 04:08:23.511
UTC End
2025-02-22 04:11:03.511
MJD Start
60728.17249434
MJD End
60728.17434619185
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.012834
Ambient temperature (°C)
15.66
Seeing (arcsec)
0.825
Observation
ID
64782
Category
calibrator
Program ID
114.27NF.001
Program Title
UNVELING 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
Target
ID
48243
Name
HD_70523
RA
125.47582
DEC
-17.58642
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 47.3400 47.2910 159.7000 160.1000
A0-J2 123.1560 122.6680 98.7000 98.9000
A0-J6 169.5560 169.5070 32.3100 32.5100
B5-J2 108.4510 108.1080 76.2000 76.4000
B5-J6 201.8380 201.8560 21.5690 21.8080
J2-J6 164.8230 164.7480 349.1130 349.4760
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 114.27NF.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 60728.17249434
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 70523
HIERARCH ESO INS SOBJ NAME HD_70523
RA 125.47582
DEC -17.58642
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 47.34
HIERARCH ESO ISS PBL12 END 47.291
HIERARCH ESO ISS PBLA12 START 159.7
HIERARCH ESO ISS PBLA12 END 160.1
HIERARCH ESO ISS PBL13 START 123.156
HIERARCH ESO ISS PBL13 END 122.668
HIERARCH ESO ISS PBLA13 START 98.7
HIERARCH ESO ISS PBLA13 END 98.9
HIERARCH ESO ISS PBL14 START 169.556
HIERARCH ESO ISS PBL14 END 169.507
HIERARCH ESO ISS PBLA14 START 32.31
HIERARCH ESO ISS PBLA14 END 32.51
HIERARCH ESO ISS PBL23 START 108.451
HIERARCH ESO ISS PBL23 END 108.108
HIERARCH ESO ISS PBLA23 START 76.2
HIERARCH ESO ISS PBLA23 END 76.4
HIERARCH ESO ISS PBL24 START 201.838
HIERARCH ESO ISS PBL24 END 201.856
HIERARCH ESO ISS PBLA24 START 21.569
HIERARCH ESO ISS PBLA24 END 21.808
HIERARCH ESO ISS PBL34 START 164.823
HIERARCH ESO ISS PBL34 END 164.748
HIERARCH ESO ISS PBLA34 START 349.113
HIERARCH ESO ISS PBLA34 END 349.476
HIERARCH ESO ISS AMBI TAU0 START 0.012468
HIERARCH ESO ISS AMBI TAU0 END 0.0132
HIERARCH ESO ISS AMBI TEMP 15.66
HIERARCH ESO ISS AMBI FWHM START 0.81
HIERARCH ESO ISS AMBI FWHM END 0.84