Exposure
- ID
- GRAVI.2025-05-13T06:09:13.679_2
- Header ID
- GRAVI.2025-05-13T06:09:13.679
- Date updated
- 2025-05-13 07:01:14 UTC+0000
- Release date
- 2026-05-13 07:01:14 UTC+0000
- UTC Start
- 2025-05-13 06:09:13.679
- UTC End
- 2025-05-13 06:15:13.679
- MJD Start
- 60808.25640832
- MJD End
- 60808.26057498666
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.01084
- Ambient temperature (°C)
- 16.68
- Seeing (arcsec)
- 0.35
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 | 56.5550 | 56.5590 | 19.7000 | 20.5000 |
| U1-U3 | 102.3630 | 102.3990 | 25.9000 | 26.8000 |
| U1-U4 | 128.9880 | 129.3170 | 53.5010 | 54.3890 |
| U2-U3 | 46.5380 | 46.5760 | 33.5000 | 34.3000 |
| U2-U4 | 87.7830 | 88.1640 | 74.4760 | 75.3250 |
| U3-U4 | 60.8870 | 61.2020 | 104.5870 | 105.2900 |
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 | 60808.25640832 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416181 |
| DEC | -29.00739 |
| 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 | 56.555 |
| HIERARCH ESO ISS PBL12 END | 56.559 |
| HIERARCH ESO ISS PBLA12 START | 19.7 |
| HIERARCH ESO ISS PBLA12 END | 20.5 |
| HIERARCH ESO ISS PBL13 START | 102.363 |
| HIERARCH ESO ISS PBL13 END | 102.399 |
| HIERARCH ESO ISS PBLA13 START | 25.9 |
| HIERARCH ESO ISS PBLA13 END | 26.8 |
| HIERARCH ESO ISS PBL14 START | 128.988 |
| HIERARCH ESO ISS PBL14 END | 129.317 |
| HIERARCH ESO ISS PBLA14 START | 53.501 |
| HIERARCH ESO ISS PBLA14 END | 54.389 |
| HIERARCH ESO ISS PBL23 START | 46.538 |
| HIERARCH ESO ISS PBL23 END | 46.576 |
| HIERARCH ESO ISS PBLA23 START | 33.5 |
| HIERARCH ESO ISS PBLA23 END | 34.3 |
| HIERARCH ESO ISS PBL24 START | 87.783 |
| HIERARCH ESO ISS PBL24 END | 88.164 |
| HIERARCH ESO ISS PBLA24 START | 74.476 |
| HIERARCH ESO ISS PBLA24 END | 75.325 |
| HIERARCH ESO ISS PBL34 START | 60.887 |
| HIERARCH ESO ISS PBL34 END | 61.202 |
| HIERARCH ESO ISS PBLA34 START | 104.587 |
| HIERARCH ESO ISS PBLA34 END | 105.29 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.009286 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.012394 |
| HIERARCH ESO ISS AMBI TEMP | 16.68 |
| HIERARCH ESO ISS AMBI FWHM START | 0.38 |
| HIERARCH ESO ISS AMBI FWHM END | 0.32 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0990 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6530 |