Exposure
- ID
- GRAVI.2025-06-10T03:18:56.176_2
- Header ID
- GRAVI.2025-06-10T03:18:56.176
- Date updated
- 2025-06-10 03:35:44 UTC+0000
- Release date
- 2026-06-10 03:35:44 UTC+0000
- UTC Start
- 2025-06-10 03:18:56.176
- UTC End
- 2025-06-10 03:24:56.176
- MJD Start
- 60836.13815018
- MJD End
- 60836.142316846664
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.004675
- Ambient temperature (°C)
- 13.66
- Seeing (arcsec)
- 0.735
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 | 56.3990 | 56.4200 | 11.8000 | 12.7000 |
| U1-U3 | 101.6620 | 101.7550 | 17.6000 | 18.5000 |
| U1-U4 | 123.9780 | 124.6480 | 44.1690 | 45.2630 |
| U2-U3 | 45.8990 | 45.9830 | 24.7000 | 25.7000 |
| U2-U4 | 82.0660 | 82.8450 | 65.7330 | 66.7540 |
| U3-U4 | 56.2160 | 56.8630 | 98.1610 | 98.8450 |
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 | 60836.13815018 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416537 |
| DEC | -29.00738 |
| 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 | 56.399 |
| HIERARCH ESO ISS PBL12 END | 56.42 |
| HIERARCH ESO ISS PBLA12 START | 11.8 |
| HIERARCH ESO ISS PBLA12 END | 12.7 |
| HIERARCH ESO ISS PBL13 START | 101.662 |
| HIERARCH ESO ISS PBL13 END | 101.755 |
| HIERARCH ESO ISS PBLA13 START | 17.6 |
| HIERARCH ESO ISS PBLA13 END | 18.5 |
| HIERARCH ESO ISS PBL14 START | 123.978 |
| HIERARCH ESO ISS PBL14 END | 124.648 |
| HIERARCH ESO ISS PBLA14 START | 44.169 |
| HIERARCH ESO ISS PBLA14 END | 45.263 |
| HIERARCH ESO ISS PBL23 START | 45.899 |
| HIERARCH ESO ISS PBL23 END | 45.983 |
| HIERARCH ESO ISS PBLA23 START | 24.7 |
| HIERARCH ESO ISS PBLA23 END | 25.7 |
| HIERARCH ESO ISS PBL24 START | 82.066 |
| HIERARCH ESO ISS PBL24 END | 82.845 |
| HIERARCH ESO ISS PBLA24 START | 65.733 |
| HIERARCH ESO ISS PBLA24 END | 66.754 |
| HIERARCH ESO ISS PBL34 START | 56.216 |
| HIERARCH ESO ISS PBL34 END | 56.863 |
| HIERARCH ESO ISS PBLA34 START | 98.161 |
| HIERARCH ESO ISS PBLA34 END | 98.845 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003865 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005485 |
| HIERARCH ESO ISS AMBI TEMP | 13.66 |
| HIERARCH ESO ISS AMBI FWHM START | 0.74 |
| HIERARCH ESO ISS AMBI FWHM END | 0.73 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0990 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6530 |