Exposure
- ID
- GRAVI.2025-07-07T03:51:13.059_2
- Header ID
- GRAVI.2025-07-07T03:51:13.059
- Date updated
- 2025-07-07 04:05:55 UTC+0000
- Release date
- 2026-07-07 04:05:54 UTC+0000
- UTC Start
- 2025-07-07 03:51:13.059
- UTC End
- 2025-07-07 03:57:13.059
- MJD Start
- 60863.16056781
- MJD End
- 60863.16473447667
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0096055
- Ambient temperature (°C)
- 14.36
- Seeing (arcsec)
- 0.46499999999999997
Observation
- ID
- 68254
- Category
- science
- Program ID
- 115.27WT.003
- 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
- 50720
- Name
- IRS16C
- RA
- 266.4170791666666
- DEC
- -29.00768111111111
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 | 56.2140 | 56.1360 | 28.6000 | 29.2000 |
| U1-U3 | 101.7550 | 101.5780 | 35.0000 | 35.6000 |
| U1-U4 | 129.3030 | 128.9330 | 63.1850 | 63.8850 |
| U2-U3 | 46.3120 | 46.2120 | 42.7000 | 43.3000 |
| U2-U4 | 88.9650 | 88.7150 | 84.2180 | 84.9830 |
| U3-U4 | 62.3700 | 62.2740 | 113.7040 | 114.5240 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 115.27WT.003 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60863.16056781 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416475 |
| DEC | -29.0074 |
| 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 | 56.214 |
| HIERARCH ESO ISS PBL12 END | 56.136 |
| HIERARCH ESO ISS PBLA12 START | 28.6 |
| HIERARCH ESO ISS PBLA12 END | 29.2 |
| HIERARCH ESO ISS PBL13 START | 101.755 |
| HIERARCH ESO ISS PBL13 END | 101.578 |
| HIERARCH ESO ISS PBLA13 START | 35.0 |
| HIERARCH ESO ISS PBLA13 END | 35.6 |
| HIERARCH ESO ISS PBL14 START | 129.303 |
| HIERARCH ESO ISS PBL14 END | 128.933 |
| HIERARCH ESO ISS PBLA14 START | 63.185 |
| HIERARCH ESO ISS PBLA14 END | 63.885 |
| HIERARCH ESO ISS PBL23 START | 46.312 |
| HIERARCH ESO ISS PBL23 END | 46.212 |
| HIERARCH ESO ISS PBLA23 START | 42.7 |
| HIERARCH ESO ISS PBLA23 END | 43.3 |
| HIERARCH ESO ISS PBL24 START | 88.965 |
| HIERARCH ESO ISS PBL24 END | 88.715 |
| HIERARCH ESO ISS PBLA24 START | 84.218 |
| HIERARCH ESO ISS PBLA24 END | 84.983 |
| HIERARCH ESO ISS PBL34 START | 62.37 |
| HIERARCH ESO ISS PBL34 END | 62.274 |
| HIERARCH ESO ISS PBLA34 START | 113.704 |
| HIERARCH ESO ISS PBLA34 END | 114.524 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.009023 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.010188 |
| HIERARCH ESO ISS AMBI TEMP | 14.36 |
| HIERARCH ESO ISS AMBI FWHM START | 0.51 |
| HIERARCH ESO ISS AMBI FWHM END | 0.42 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0990 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6520 |