Exposure
- ID
- GRAVI.2025-07-10T05:22:28.565_2
- Header ID
- GRAVI.2025-07-10T05:22:28.565
- Date updated
- 2025-07-10 05:41:06 UTC+0000
- Release date
- 2026-07-10 05:41:06 UTC+0000
- UTC Start
- 2025-07-10 05:22:28.565
- UTC End
- 2025-07-10 05:28:28.565
- MJD Start
- 60866.22394172
- MJD End
- 60866.22810838667
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0070975
- Ambient temperature (°C)
- 13.76
- Seeing (arcsec)
- 0.365
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 | 53.5880 | 53.3110 | 37.0000 | 37.4000 |
| U1-U3 | 95.6720 | 95.0360 | 43.3000 | 43.7000 |
| U1-U4 | 115.2600 | 113.7910 | 73.2370 | 73.8050 |
| U2-U3 | 42.8120 | 42.4460 | 51.2000 | 51.6000 |
| U2-U4 | 78.6930 | 77.6270 | 96.9700 | 97.8580 |
| U3-U4 | 57.6860 | 57.2200 | 129.1100 | 130.2820 |
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 | 60866.22394172 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.417608 |
| DEC | -29.00789 |
| 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 | 53.588 |
| HIERARCH ESO ISS PBL12 END | 53.311 |
| HIERARCH ESO ISS PBLA12 START | 37.0 |
| HIERARCH ESO ISS PBLA12 END | 37.4 |
| HIERARCH ESO ISS PBL13 START | 95.672 |
| HIERARCH ESO ISS PBL13 END | 95.036 |
| HIERARCH ESO ISS PBLA13 START | 43.3 |
| HIERARCH ESO ISS PBLA13 END | 43.7 |
| HIERARCH ESO ISS PBL14 START | 115.26 |
| HIERARCH ESO ISS PBL14 END | 113.791 |
| HIERARCH ESO ISS PBLA14 START | 73.237 |
| HIERARCH ESO ISS PBLA14 END | 73.805 |
| HIERARCH ESO ISS PBL23 START | 42.812 |
| HIERARCH ESO ISS PBL23 END | 42.446 |
| HIERARCH ESO ISS PBLA23 START | 51.2 |
| HIERARCH ESO ISS PBLA23 END | 51.6 |
| HIERARCH ESO ISS PBL24 START | 78.693 |
| HIERARCH ESO ISS PBL24 END | 77.627 |
| HIERARCH ESO ISS PBLA24 START | 96.97 |
| HIERARCH ESO ISS PBLA24 END | 97.858 |
| HIERARCH ESO ISS PBL34 START | 57.686 |
| HIERARCH ESO ISS PBL34 END | 57.22 |
| HIERARCH ESO ISS PBLA34 START | 129.11 |
| HIERARCH ESO ISS PBLA34 END | 130.282 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.006605 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.00759 |
| HIERARCH ESO ISS AMBI TEMP | 13.76 |
| HIERARCH ESO ISS AMBI FWHM START | 0.37 |
| HIERARCH ESO ISS AMBI FWHM END | 0.36 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0990 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6520 |