Exposure
- ID
- GRAVI.2024-06-26T03:58:52.881_2
- Header ID
- GRAVI.2024-06-26T03:58:52.881
- Date updated
- 2024-06-26 04:15:21 UTC+0000
- Release date
- 2025-06-26 04:15:21 UTC+0000
- UTC Start
- 2024-06-26 03:58:52.881
- UTC End
- 2024-06-26 04:04:52.881
- MJD Start
- 60487.16588983
- MJD End
- 60487.1700564967
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.004118
- Ambient temperature (°C)
- 11.39
- Seeing (arcsec)
- 0.49
Observation
- ID
- 59742
- Category
- science
- Program ID
- 113.268P.003
- Program Title
- THE GALACTIC CENTER WITH GRAVITY - MEASURING THE SPIN OF SGR A* BY MEANS OF DEEP GRAVITY INTERFEROMETRY
- Program Type
- GTO
- PI / COI
- EISENHAUER / GILLESSEN / GENZEL / OTT / WIDMANN / DRESCHER / RIBEIRO / SADUN BORDONI / STRAUBMEIER / BRANDNER / PERRIN / ROUSSELET-PERRAUT / GARCIA / MANG / PAUMARD / ECKART / VINCENT / BOURDAROT / LUTZ / STURM / CAO / HORROBIN / LE BOUQUIN / KREIDBERG /
Target
- ID
- 43560
- Name
- IRS16C
- RA
- 266.417083333333
- DEC
- -29.0076816944444
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 | 56.4860 | 56.4530 | 24.9000 | 25.6000 |
| U1-U3 | 102.3410 | 102.2750 | 31.2000 | 32.0000 |
| U1-U4 | 130.2100 | 130.1750 | 59.1810 | 59.9590 |
| U2-U3 | 46.6170 | 46.5880 | 38.9000 | 39.7000 |
| U2-U4 | 89.3900 | 89.4280 | 80.0320 | 80.8230 |
| U3-U4 | 62.3350 | 62.4140 | 109.4940 | 110.2540 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 113.268P.003 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60487.16588983 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416811 |
| DEC | -29.00723 |
| 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 | 56.486 |
| HIERARCH ESO ISS PBL12 END | 56.453 |
| HIERARCH ESO ISS PBLA12 START | 24.9 |
| HIERARCH ESO ISS PBLA12 END | 25.6 |
| HIERARCH ESO ISS PBL13 START | 102.341 |
| HIERARCH ESO ISS PBL13 END | 102.275 |
| HIERARCH ESO ISS PBLA13 START | 31.2 |
| HIERARCH ESO ISS PBLA13 END | 32.0 |
| HIERARCH ESO ISS PBL14 START | 130.21 |
| HIERARCH ESO ISS PBL14 END | 130.175 |
| HIERARCH ESO ISS PBLA14 START | 59.181 |
| HIERARCH ESO ISS PBLA14 END | 59.959 |
| HIERARCH ESO ISS PBL23 START | 46.617 |
| HIERARCH ESO ISS PBL23 END | 46.588 |
| HIERARCH ESO ISS PBLA23 START | 38.9 |
| HIERARCH ESO ISS PBLA23 END | 39.7 |
| HIERARCH ESO ISS PBL24 START | 89.39 |
| HIERARCH ESO ISS PBL24 END | 89.428 |
| HIERARCH ESO ISS PBLA24 START | 80.032 |
| HIERARCH ESO ISS PBLA24 END | 80.823 |
| HIERARCH ESO ISS PBL34 START | 62.335 |
| HIERARCH ESO ISS PBL34 END | 62.414 |
| HIERARCH ESO ISS PBLA34 START | 109.494 |
| HIERARCH ESO ISS PBLA34 END | 110.254 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004118 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004118 |
| HIERARCH ESO ISS AMBI TEMP | 11.39 |
| HIERARCH ESO ISS AMBI FWHM START | 0.49 |
| HIERARCH ESO ISS AMBI FWHM END | 0.49 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1000 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6541 |