Exposure
- ID
- GRAVI.2025-03-16T07:36:43.308_2
- Header ID
- GRAVI.2025-03-16T07:36:43.308
- Date updated
- 2025-03-16 07:50:44 UTC+0000
- Release date
- 2026-03-16 07:50:44 UTC+0000
- UTC Start
- 2025-03-16 07:36:43.308
- UTC End
- 2025-03-16 07:42:43.308
- MJD Start
- 60750.31716792
- MJD End
- 60750.32133458667
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0063095
- Ambient temperature (°C)
- 13.59
- Seeing (arcsec)
- 0.655
Observation
- ID
- 65080
- Category
- science
- Program ID
- 114.270V.001
- Program Title
- THE GALACTIC CENTER WITH GRAVITY(+) - PROBING EVENT HORIZON SCALE PHYSICS WITH STARS AND FLARES
- Program Type
- GTO
- PI / COI
- EISENHAUER / GILLESSEN / GENZEL / OTT / WIDMANN / MANG / DRESCHER / RIBEIRO / SADUN BORDONI / STRAUBMEIER / GARCIA / PAUMARD / BOURDAROT / STURM / LUTZ / LE BOUQUIN / CAO / KREIDBERG / HOENIG / FOSCHI / PERRIN / CARDOSO / AIMAR / URSO / ABD EL DAYEM / ROU
Target
- ID
- 45257
- Name
- IRS16C
- RA
- 266.4170791666666
- DEC
- -29.007681388888887
Instrument
- Interferometer
- VLTI
- Instrument
- GRAVITY_FT
- Instrument mode
- LOW
- Instrument sub-mode
- DUAL
- Stations
- U1 U2 U3 U4
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 56.2280 | 56.2300 | 0.4000 | 1.3000 |
| U1-U3 | 100.7120 | 100.7570 | 5.1000 | 6.1000 |
| U1-U4 | 114.7010 | 115.4310 | 28.2480 | 29.6910 |
| U2-U3 | 44.9100 | 44.9720 | 11.0000 | 12.1000 |
| U2-U4 | 70.1130 | 71.1670 | 50.2700 | 51.7480 |
| U3-U4 | 45.3890 | 46.4360 | 89.0930 | 89.8910 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 114.270V.001 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60750.31716792 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.41755 |
| DEC | -29.00718 |
| HIERARCH ESO INS SPEC RES | LOW |
| HIERARCH ESO INS POLA MODE | SPLIT |
| HIERARCH ESO ISS CONF NTEL | 4 |
| HIERARCH ESO ISS CONF STATION1 | U1 |
| HIERARCH ESO ISS CONF STATION2 | U2 |
| HIERARCH ESO ISS CONF STATION3 | U3 |
| HIERARCH ESO ISS CONF STATION4 | U4 |
| EXPTIME | 389.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 30.0 |
| HIERARCH ESO DET2 NDIT | 12 |
| HIERARCH ESO ISS PBL12 START | 56.228 |
| HIERARCH ESO ISS PBL12 END | 56.23 |
| HIERARCH ESO ISS PBLA12 START | 0.4 |
| HIERARCH ESO ISS PBLA12 END | 1.3 |
| HIERARCH ESO ISS PBL13 START | 100.712 |
| HIERARCH ESO ISS PBL13 END | 100.757 |
| HIERARCH ESO ISS PBLA13 START | 5.1 |
| HIERARCH ESO ISS PBLA13 END | 6.1 |
| HIERARCH ESO ISS PBL14 START | 114.701 |
| HIERARCH ESO ISS PBL14 END | 115.431 |
| HIERARCH ESO ISS PBLA14 START | 28.248 |
| HIERARCH ESO ISS PBLA14 END | 29.691 |
| HIERARCH ESO ISS PBL23 START | 44.91 |
| HIERARCH ESO ISS PBL23 END | 44.972 |
| HIERARCH ESO ISS PBLA23 START | 11.0 |
| HIERARCH ESO ISS PBLA23 END | 12.1 |
| HIERARCH ESO ISS PBL24 START | 70.113 |
| HIERARCH ESO ISS PBL24 END | 71.167 |
| HIERARCH ESO ISS PBLA24 START | 50.27 |
| HIERARCH ESO ISS PBLA24 END | 51.748 |
| HIERARCH ESO ISS PBL34 START | 45.389 |
| HIERARCH ESO ISS PBL34 END | 46.436 |
| HIERARCH ESO ISS PBLA34 START | 89.093 |
| HIERARCH ESO ISS PBLA34 END | 89.891 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.007349 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.00527 |
| HIERARCH ESO ISS AMBI TEMP | 13.59 |
| HIERARCH ESO ISS AMBI FWHM START | 0.59 |
| HIERARCH ESO ISS AMBI FWHM END | 0.72 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0990 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6530 |