Exposure
- ID
- GRAVI.2025-05-13T05:54:28.641_2
- Header ID
- GRAVI.2025-05-13T05:54:28.641
- Date updated
- 2025-05-13 06:56:31 UTC+0000
- Release date
- 2026-05-13 06:56:30 UTC+0000
- UTC Start
- 2025-05-13 05:54:28.641
- UTC End
- 2025-05-13 06:00:28.641
- MJD Start
- 60808.24616483
- MJD End
- 60808.25033149667
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.009065
- Ambient temperature (°C)
- 16.91
- Seeing (arcsec)
- 0.425
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 | 56.5330 | 56.5450 | 17.9000 | 18.7000 |
| U1-U3 | 102.2430 | 102.3020 | 24.0000 | 24.9000 |
| U1-U4 | 128.0620 | 128.4960 | 51.3890 | 52.3270 |
| U2-U3 | 46.4230 | 46.4780 | 31.4000 | 32.3000 |
| U2-U4 | 86.7300 | 87.2210 | 72.4760 | 73.3610 |
| U3-U4 | 60.0290 | 60.4270 | 102.9920 | 103.6880 |
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 | 60808.24616483 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416186 |
| DEC | -29.00741 |
| 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 | 56.533 |
| HIERARCH ESO ISS PBL12 END | 56.545 |
| HIERARCH ESO ISS PBLA12 START | 17.9 |
| HIERARCH ESO ISS PBLA12 END | 18.7 |
| HIERARCH ESO ISS PBL13 START | 102.243 |
| HIERARCH ESO ISS PBL13 END | 102.302 |
| HIERARCH ESO ISS PBLA13 START | 24.0 |
| HIERARCH ESO ISS PBLA13 END | 24.9 |
| HIERARCH ESO ISS PBL14 START | 128.062 |
| HIERARCH ESO ISS PBL14 END | 128.496 |
| HIERARCH ESO ISS PBLA14 START | 51.389 |
| HIERARCH ESO ISS PBLA14 END | 52.327 |
| HIERARCH ESO ISS PBL23 START | 46.423 |
| HIERARCH ESO ISS PBL23 END | 46.478 |
| HIERARCH ESO ISS PBLA23 START | 31.4 |
| HIERARCH ESO ISS PBLA23 END | 32.3 |
| HIERARCH ESO ISS PBL24 START | 86.73 |
| HIERARCH ESO ISS PBL24 END | 87.221 |
| HIERARCH ESO ISS PBLA24 START | 72.476 |
| HIERARCH ESO ISS PBLA24 END | 73.361 |
| HIERARCH ESO ISS PBL34 START | 60.029 |
| HIERARCH ESO ISS PBL34 END | 60.427 |
| HIERARCH ESO ISS PBLA34 START | 102.992 |
| HIERARCH ESO ISS PBLA34 END | 103.688 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.008709 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.009421 |
| HIERARCH ESO ISS AMBI TEMP | 16.91 |
| HIERARCH ESO ISS AMBI FWHM START | 0.44 |
| HIERARCH ESO ISS AMBI FWHM END | 0.41 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0990 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6530 |