Exposure
ID
GRAVI.2025-11-28T06:15:02.043_1
Header ID
GRAVI.2025-11-28T06:15:02.043
Date updated
2025-11-28 06:25:51 UTC+0000
Release date
2026-11-28 06:25:51 UTC+0000
UTC Start
2025-11-28 06:15:02.043
UTC End
2025-11-28 06:17:42.043
MJD Start
61007.26044031
MJD End
61007.26229216185
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0037875
Ambient temperature (°C)
14.71
Seeing (arcsec)
0.66
Observation
ID
71888
Category
science
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
53369
Name
V_NW_Vel
RA
129.678783
DEC
-47.78784
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 38.7960 38.9870 131.1000 131.4000
A0-J2 115.7300 116.1660 61.6000 62.3000
A0-J6 165.3330 165.2960 6.1450 6.5790
B5-J2 108.3930 108.5550 42.0000 42.7000
B5-J6 190.2380 190.2720 356.5250 356.8970
J2-J6 138.0160 138.5180 322.4410 322.7180
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 116.28P0.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 61007.26044031
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME V NW Vel
HIERARCH ESO INS SOBJ NAME V_NW_Vel
RA 129.678783
DEC -47.78784
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 38.796
HIERARCH ESO ISS PBL12 END 38.987
HIERARCH ESO ISS PBLA12 START 131.1
HIERARCH ESO ISS PBLA12 END 131.4
HIERARCH ESO ISS PBL13 START 115.73
HIERARCH ESO ISS PBL13 END 116.166
HIERARCH ESO ISS PBLA13 START 61.6
HIERARCH ESO ISS PBLA13 END 62.3
HIERARCH ESO ISS PBL14 START 165.333
HIERARCH ESO ISS PBL14 END 165.296
HIERARCH ESO ISS PBLA14 START 6.145
HIERARCH ESO ISS PBLA14 END 6.579
HIERARCH ESO ISS PBL23 START 108.393
HIERARCH ESO ISS PBL23 END 108.555
HIERARCH ESO ISS PBLA23 START 42.0
HIERARCH ESO ISS PBLA23 END 42.7
HIERARCH ESO ISS PBL24 START 190.238
HIERARCH ESO ISS PBL24 END 190.272
HIERARCH ESO ISS PBLA24 START 356.525
HIERARCH ESO ISS PBLA24 END 356.897
HIERARCH ESO ISS PBL34 START 138.016
HIERARCH ESO ISS PBL34 END 138.518
HIERARCH ESO ISS PBLA34 START 322.441
HIERARCH ESO ISS PBLA34 END 322.718
HIERARCH ESO ISS AMBI TAU0 START 0.003969
HIERARCH ESO ISS AMBI TAU0 END 0.003606
HIERARCH ESO ISS AMBI TEMP 14.71
HIERARCH ESO ISS AMBI FWHM START 0.66
HIERARCH ESO ISS AMBI FWHM END 0.66