Exposure
- ID
- GRAVI.2025-05-12T08:35:37.961_2
- Header ID
- GRAVI.2025-05-12T08:35:37.961
- Date updated
- 2025-05-12 19:50:48 UTC+0000
- Release date
- 2026-05-12 19:50:47 UTC+0000
- UTC Start
- 2025-05-12 08:35:37.961
- UTC End
- 2025-05-12 08:41:37.961
- MJD Start
- 60807.35807825
- MJD End
- 60807.362244916665
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.006181
- Ambient temperature (°C)
- 17.49
- Seeing (arcsec)
- 0.415
Observation
- ID
- 67241
- Category
- science
- Program ID
- 115.27WT.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 / 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 | 54.9520 | 54.7590 | 34.3000 | 34.8000 |
| U1-U3 | 98.8320 | 98.3840 | 40.6000 | 41.1000 |
| U1-U4 | 122.6220 | 121.5710 | 69.6960 | 70.3020 |
| U2-U3 | 44.6330 | 44.3740 | 48.5000 | 49.0000 |
| U2-U4 | 84.0990 | 83.3220 | 91.9450 | 92.7520 |
| U3-U4 | 60.1490 | 59.7870 | 122.6500 | 123.6620 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 115.27WT.001 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60807.35807825 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416455 |
| DEC | -29.0075 |
| 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 | 54.952 |
| HIERARCH ESO ISS PBL12 END | 54.759 |
| HIERARCH ESO ISS PBLA12 START | 34.3 |
| HIERARCH ESO ISS PBLA12 END | 34.8 |
| HIERARCH ESO ISS PBL13 START | 98.832 |
| HIERARCH ESO ISS PBL13 END | 98.384 |
| HIERARCH ESO ISS PBLA13 START | 40.6 |
| HIERARCH ESO ISS PBLA13 END | 41.1 |
| HIERARCH ESO ISS PBL14 START | 122.622 |
| HIERARCH ESO ISS PBL14 END | 121.571 |
| HIERARCH ESO ISS PBLA14 START | 69.696 |
| HIERARCH ESO ISS PBLA14 END | 70.302 |
| HIERARCH ESO ISS PBL23 START | 44.633 |
| HIERARCH ESO ISS PBL23 END | 44.374 |
| HIERARCH ESO ISS PBLA23 START | 48.5 |
| HIERARCH ESO ISS PBLA23 END | 49.0 |
| HIERARCH ESO ISS PBL24 START | 84.099 |
| HIERARCH ESO ISS PBL24 END | 83.322 |
| HIERARCH ESO ISS PBLA24 START | 91.945 |
| HIERARCH ESO ISS PBLA24 END | 92.752 |
| HIERARCH ESO ISS PBL34 START | 60.149 |
| HIERARCH ESO ISS PBL34 END | 59.787 |
| HIERARCH ESO ISS PBLA34 START | 122.65 |
| HIERARCH ESO ISS PBLA34 END | 123.662 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005291 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.007071 |
| HIERARCH ESO ISS AMBI TEMP | 17.49 |
| HIERARCH ESO ISS AMBI FWHM START | 0.47 |
| 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 | -290027.6530 |