Exposure
- ID
- GRAVI.2025-06-10T04:40:14.383_2
- Header ID
- GRAVI.2025-06-10T04:40:14.383
- Date updated
- 2025-06-10 04:55:53 UTC+0000
- Release date
- 2026-06-10 04:55:53 UTC+0000
- UTC Start
- 2025-06-10 04:40:14.383
- UTC End
- 2025-06-10 04:46:14.383
- MJD Start
- 60836.19461091
- MJD End
- 60836.19877757667
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.008230000000000001
- Ambient temperature (°C)
- 13.37
- Seeing (arcsec)
- 0.325
Observation
- ID
- 67873
- Category
- science
- Program ID
- 115.27WT.002
- 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 / MANG / DRESCHER / RIBEIRO / SADUN BORDONI / STRAUBMEIER / GARCIA / PAUMARD / BOURDAROT / STURM / LUTZ / LE BOUQUIN / CAO / KREIDBERG / HOENIG / FOSCHI / PERRIN / CARDOSO / AIMAR / URSO / ABD EL DAYEM / ROUSSELET-PER
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 | 56.5520 | 56.5410 | 22.3000 | 23.1000 |
| U1-U3 | 102.4340 | 102.4270 | 28.6000 | 29.4000 |
| U1-U4 | 129.8810 | 130.0440 | 56.3500 | 57.1810 |
| U2-U3 | 46.6310 | 46.6400 | 36.2000 | 37.0000 |
| U2-U4 | 88.8480 | 89.0670 | 77.2210 | 78.0370 |
| U3-U4 | 61.7870 | 61.9870 | 106.9200 | 107.6470 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 115.27WT.002 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60836.19461091 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416536 |
| DEC | -29.00736 |
| 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 | 56.552 |
| HIERARCH ESO ISS PBL12 END | 56.541 |
| HIERARCH ESO ISS PBLA12 START | 22.3 |
| HIERARCH ESO ISS PBLA12 END | 23.1 |
| HIERARCH ESO ISS PBL13 START | 102.434 |
| HIERARCH ESO ISS PBL13 END | 102.427 |
| HIERARCH ESO ISS PBLA13 START | 28.6 |
| HIERARCH ESO ISS PBLA13 END | 29.4 |
| HIERARCH ESO ISS PBL14 START | 129.881 |
| HIERARCH ESO ISS PBL14 END | 130.044 |
| HIERARCH ESO ISS PBLA14 START | 56.35 |
| HIERARCH ESO ISS PBLA14 END | 57.181 |
| HIERARCH ESO ISS PBL23 START | 46.631 |
| HIERARCH ESO ISS PBL23 END | 46.64 |
| HIERARCH ESO ISS PBLA23 START | 36.2 |
| HIERARCH ESO ISS PBLA23 END | 37.0 |
| HIERARCH ESO ISS PBL24 START | 88.848 |
| HIERARCH ESO ISS PBL24 END | 89.067 |
| HIERARCH ESO ISS PBLA24 START | 77.221 |
| HIERARCH ESO ISS PBLA24 END | 78.037 |
| HIERARCH ESO ISS PBL34 START | 61.787 |
| HIERARCH ESO ISS PBL34 END | 61.987 |
| HIERARCH ESO ISS PBLA34 START | 106.92 |
| HIERARCH ESO ISS PBLA34 END | 107.647 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.009492 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006968 |
| HIERARCH ESO ISS AMBI TEMP | 13.37 |
| HIERARCH ESO ISS AMBI FWHM START | 0.34 |
| HIERARCH ESO ISS AMBI FWHM END | 0.31 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0990 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6530 |