Exposure
- ID
- GRAVI.2025-05-13T09:16:44.156_2
- Header ID
- GRAVI.2025-05-13T09:16:44.156
- Date updated
- 2025-05-13 09:30:53 UTC+0000
- Release date
- 2026-05-13 09:30:53 UTC+0000
- UTC Start
- 2025-05-13 09:16:44.156
- UTC End
- 2025-05-13 09:22:44.156
- MJD Start
- 60808.38662218
- MJD End
- 60808.390788846664
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0181295
- Ambient temperature (°C)
- 16.26
- Seeing (arcsec)
- 0.235
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 | 53.3210 | 53.0320 | 37.4000 | 37.8000 |
| U1-U3 | 95.0590 | 94.3950 | 43.7000 | 44.0000 |
| U1-U4 | 113.8460 | 112.3190 | 73.7850 | 74.3460 |
| U2-U3 | 42.4600 | 42.0790 | 51.6000 | 51.9000 |
| U2-U4 | 77.6670 | 76.5650 | 97.8260 | 98.7270 |
| U3-U4 | 57.2370 | 56.7620 | 130.2390 | 131.4350 |
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 | 60808.38662218 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416489 |
| DEC | -29.00751 |
| 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 | 53.321 |
| HIERARCH ESO ISS PBL12 END | 53.032 |
| HIERARCH ESO ISS PBLA12 START | 37.4 |
| HIERARCH ESO ISS PBLA12 END | 37.8 |
| HIERARCH ESO ISS PBL13 START | 95.059 |
| HIERARCH ESO ISS PBL13 END | 94.395 |
| HIERARCH ESO ISS PBLA13 START | 43.7 |
| HIERARCH ESO ISS PBLA13 END | 44.0 |
| HIERARCH ESO ISS PBL14 START | 113.846 |
| HIERARCH ESO ISS PBL14 END | 112.319 |
| HIERARCH ESO ISS PBLA14 START | 73.785 |
| HIERARCH ESO ISS PBLA14 END | 74.346 |
| HIERARCH ESO ISS PBL23 START | 42.46 |
| HIERARCH ESO ISS PBL23 END | 42.079 |
| HIERARCH ESO ISS PBLA23 START | 51.6 |
| HIERARCH ESO ISS PBLA23 END | 51.9 |
| HIERARCH ESO ISS PBL24 START | 77.667 |
| HIERARCH ESO ISS PBL24 END | 76.565 |
| HIERARCH ESO ISS PBLA24 START | 97.826 |
| HIERARCH ESO ISS PBLA24 END | 98.727 |
| HIERARCH ESO ISS PBL34 START | 57.237 |
| HIERARCH ESO ISS PBL34 END | 56.762 |
| HIERARCH ESO ISS PBLA34 START | 130.239 |
| HIERARCH ESO ISS PBLA34 END | 131.435 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.022052 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.014207 |
| HIERARCH ESO ISS AMBI TEMP | 16.26 |
| HIERARCH ESO ISS AMBI FWHM START | 0.23 |
| HIERARCH ESO ISS AMBI FWHM END | 0.24 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0990 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6530 |