Exposure
- ID
- GRAVI.2025-05-13T03:45:40.313_2
- Header ID
- GRAVI.2025-05-13T03:45:40.313
- Date updated
- 2025-05-13 06:51:34 UTC+0000
- Release date
- 2026-05-13 06:51:33 UTC+0000
- UTC Start
- 2025-05-13 03:45:40.313
- UTC End
- 2025-05-13 03:51:40.313
- MJD Start
- 60808.15671659
- MJD End
- 60808.16088325666
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.007224
- Ambient temperature (°C)
- 17.16
- Seeing (arcsec)
- 0.495
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 | 56.2280 | 56.2290 | 359.9000 | 0.9000 |
| U1-U3 | 100.6940 | 100.7350 | 4.6000 | 5.6000 |
| U1-U4 | 114.3620 | 115.0830 | 27.5540 | 29.0110 |
| U2-U3 | 44.8830 | 44.9420 | 10.4000 | 11.6000 |
| U2-U4 | 69.6140 | 70.6690 | 49.5520 | 51.0540 |
| U3-U4 | 44.8830 | 45.9440 | 88.7080 | 89.5150 |
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 | 60808.15671659 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416222 |
| 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 | 56.228 |
| HIERARCH ESO ISS PBL12 END | 56.229 |
| HIERARCH ESO ISS PBLA12 START | 359.9 |
| HIERARCH ESO ISS PBLA12 END | 0.9 |
| HIERARCH ESO ISS PBL13 START | 100.694 |
| HIERARCH ESO ISS PBL13 END | 100.735 |
| HIERARCH ESO ISS PBLA13 START | 4.6 |
| HIERARCH ESO ISS PBLA13 END | 5.6 |
| HIERARCH ESO ISS PBL14 START | 114.362 |
| HIERARCH ESO ISS PBL14 END | 115.083 |
| HIERARCH ESO ISS PBLA14 START | 27.554 |
| HIERARCH ESO ISS PBLA14 END | 29.011 |
| HIERARCH ESO ISS PBL23 START | 44.883 |
| HIERARCH ESO ISS PBL23 END | 44.942 |
| HIERARCH ESO ISS PBLA23 START | 10.4 |
| HIERARCH ESO ISS PBLA23 END | 11.6 |
| HIERARCH ESO ISS PBL24 START | 69.614 |
| HIERARCH ESO ISS PBL24 END | 70.669 |
| HIERARCH ESO ISS PBLA24 START | 49.552 |
| HIERARCH ESO ISS PBLA24 END | 51.054 |
| HIERARCH ESO ISS PBL34 START | 44.883 |
| HIERARCH ESO ISS PBL34 END | 45.944 |
| HIERARCH ESO ISS PBLA34 START | 88.708 |
| HIERARCH ESO ISS PBLA34 END | 89.515 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.007926 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006522 |
| HIERARCH ESO ISS AMBI TEMP | 17.16 |
| HIERARCH ESO ISS AMBI FWHM START | 0.49 |
| HIERARCH ESO ISS AMBI FWHM END | 0.5 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0990 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6530 |