Exposure
- ID
- GRAVI.2024-04-30T07:13:52.942_2
- Header ID
- GRAVI.2024-04-30T07:13:52.942
- Date updated
- 2024-04-30 07:25:30 UTC+0000
- Release date
- 2025-04-30 07:25:30 UTC+0000
- UTC Start
- 2024-04-30 07:13:52.942
- UTC End
- 2024-04-30 07:19:52.942
- MJD Start
- 60430.3013072
- MJD End
- 60430.3054738667
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.005002
- Ambient temperature (°C)
- 15.37
- Seeing (arcsec)
- 0.41
Observation
- ID
- 58934
- Category
- science
- Program ID
- 113.268P.001
- 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 | 56.5580 | 56.5520 | 21.5000 | 22.3000 |
| U1-U3 | 102.4270 | 102.4340 | 27.8000 | 28.6000 |
| U1-U4 | 129.6620 | 129.8790 | 55.4890 | 56.3400 |
| U2-U3 | 46.6120 | 46.6310 | 35.4000 | 36.2000 |
| U2-U4 | 88.5760 | 88.8460 | 76.3850 | 77.2120 |
| U3-U4 | 61.5500 | 61.7860 | 106.1910 | 106.9110 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 113.268P.001 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60430.3013072 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.41685 |
| DEC | -29.00736 |
| 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 | 56.558 |
| HIERARCH ESO ISS PBL12 END | 56.552 |
| HIERARCH ESO ISS PBLA12 START | 21.5 |
| HIERARCH ESO ISS PBLA12 END | 22.3 |
| HIERARCH ESO ISS PBL13 START | 102.427 |
| HIERARCH ESO ISS PBL13 END | 102.434 |
| HIERARCH ESO ISS PBLA13 START | 27.8 |
| HIERARCH ESO ISS PBLA13 END | 28.6 |
| HIERARCH ESO ISS PBL14 START | 129.662 |
| HIERARCH ESO ISS PBL14 END | 129.879 |
| HIERARCH ESO ISS PBLA14 START | 55.489 |
| HIERARCH ESO ISS PBLA14 END | 56.34 |
| HIERARCH ESO ISS PBL23 START | 46.612 |
| HIERARCH ESO ISS PBL23 END | 46.631 |
| HIERARCH ESO ISS PBLA23 START | 35.4 |
| HIERARCH ESO ISS PBLA23 END | 36.2 |
| HIERARCH ESO ISS PBL24 START | 88.576 |
| HIERARCH ESO ISS PBL24 END | 88.846 |
| HIERARCH ESO ISS PBLA24 START | 76.385 |
| HIERARCH ESO ISS PBLA24 END | 77.212 |
| HIERARCH ESO ISS PBL34 START | 61.55 |
| HIERARCH ESO ISS PBL34 END | 61.786 |
| HIERARCH ESO ISS PBLA34 START | 106.191 |
| HIERARCH ESO ISS PBLA34 END | 106.911 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005245 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004759 |
| HIERARCH ESO ISS AMBI TEMP | 15.37 |
| HIERARCH ESO ISS AMBI FWHM START | 0.38 |
| HIERARCH ESO ISS AMBI FWHM END | 0.44 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1000 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6541 |