Exposure
- ID
- GRAVI.2024-04-24T05:25:40.759_2
- Header ID
- GRAVI.2024-04-24T05:25:40.759
- Date updated
- 2024-04-24 05:40:39 UTC+0000
- Release date
- 2025-04-24 05:40:39 UTC+0000
- UTC Start
- 2024-04-24 05:25:40.759
- UTC End
- 2024-04-24 05:31:00.759
- MJD Start
- 60424.22616619
- MJD End
- 60424.2298698937
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.006144
- Ambient temperature (°C)
- 16.95
- Seeing (arcsec)
- 0.55
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 | 56.2470 | 56.2560 | 3.8000 | 4.6000 |
| U1-U3 | 100.9070 | 100.9690 | 8.8000 | 9.7000 |
| U1-U4 | 117.3900 | 118.0660 | 33.3110 | 34.4930 |
| U2-U3 | 45.1540 | 45.2220 | 15.1000 | 16.1000 |
| U2-U4 | 73.8730 | 74.7710 | 55.3730 | 56.5340 |
| U3-U4 | 49.0250 | 49.8570 | 91.8890 | 92.5450 |
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 | 60424.22616619 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416804 |
| DEC | -29.00734 |
| 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 | 342.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 10.0 |
| HIERARCH ESO DET2 NDIT | 32 |
| HIERARCH ESO ISS PBL12 START | 56.247 |
| HIERARCH ESO ISS PBL12 END | 56.256 |
| HIERARCH ESO ISS PBLA12 START | 3.8 |
| HIERARCH ESO ISS PBLA12 END | 4.6 |
| HIERARCH ESO ISS PBL13 START | 100.907 |
| HIERARCH ESO ISS PBL13 END | 100.969 |
| HIERARCH ESO ISS PBLA13 START | 8.8 |
| HIERARCH ESO ISS PBLA13 END | 9.7 |
| HIERARCH ESO ISS PBL14 START | 117.39 |
| HIERARCH ESO ISS PBL14 END | 118.066 |
| HIERARCH ESO ISS PBLA14 START | 33.311 |
| HIERARCH ESO ISS PBLA14 END | 34.493 |
| HIERARCH ESO ISS PBL23 START | 45.154 |
| HIERARCH ESO ISS PBL23 END | 45.222 |
| HIERARCH ESO ISS PBLA23 START | 15.1 |
| HIERARCH ESO ISS PBLA23 END | 16.1 |
| HIERARCH ESO ISS PBL24 START | 73.873 |
| HIERARCH ESO ISS PBL24 END | 74.771 |
| HIERARCH ESO ISS PBLA24 START | 55.373 |
| HIERARCH ESO ISS PBLA24 END | 56.534 |
| HIERARCH ESO ISS PBL34 START | 49.025 |
| HIERARCH ESO ISS PBL34 END | 49.857 |
| HIERARCH ESO ISS PBLA34 START | 91.889 |
| HIERARCH ESO ISS PBLA34 END | 92.545 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005457 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006831 |
| HIERARCH ESO ISS AMBI TEMP | 16.95 |
| HIERARCH ESO ISS AMBI FWHM START | 0.58 |
| HIERARCH ESO ISS AMBI FWHM END | 0.52 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1000 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6541 |