Exposure
- ID
- GRAVI.2024-04-24T09:34:35.392_2
- Header ID
- GRAVI.2024-04-24T09:34:35.392
- Date updated
- 2024-04-24 09:50:44 UTC+0000
- Release date
- 2025-04-24 09:50:43 UTC+0000
- UTC Start
- 2024-04-24 09:34:35.392
- UTC End
- 2024-04-24 09:39:55.392
- MJD Start
- 60424.39902074
- MJD End
- 60424.4027244437
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0065905
- Ambient temperature (°C)
- 16.05
- Seeing (arcsec)
- 0.56
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 | 55.2450 | 55.0960 | 33.4000 | 33.9000 |
| U1-U3 | 99.5120 | 99.1660 | 39.8000 | 40.2000 |
| U1-U4 | 124.2140 | 123.4030 | 68.6730 | 69.2130 |
| U2-U3 | 45.0260 | 44.8260 | 47.6000 | 48.1000 |
| U2-U4 | 85.2770 | 84.6770 | 90.6230 | 91.3140 |
| U3-U4 | 60.7010 | 60.4190 | 121.0220 | 121.8690 |
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 | 60424.39902074 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416969 |
| DEC | -29.0073 |
| 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 | 55.245 |
| HIERARCH ESO ISS PBL12 END | 55.096 |
| HIERARCH ESO ISS PBLA12 START | 33.4 |
| HIERARCH ESO ISS PBLA12 END | 33.9 |
| HIERARCH ESO ISS PBL13 START | 99.512 |
| HIERARCH ESO ISS PBL13 END | 99.166 |
| HIERARCH ESO ISS PBLA13 START | 39.8 |
| HIERARCH ESO ISS PBLA13 END | 40.2 |
| HIERARCH ESO ISS PBL14 START | 124.214 |
| HIERARCH ESO ISS PBL14 END | 123.403 |
| HIERARCH ESO ISS PBLA14 START | 68.673 |
| HIERARCH ESO ISS PBLA14 END | 69.213 |
| HIERARCH ESO ISS PBL23 START | 45.026 |
| HIERARCH ESO ISS PBL23 END | 44.826 |
| HIERARCH ESO ISS PBLA23 START | 47.6 |
| HIERARCH ESO ISS PBLA23 END | 48.1 |
| HIERARCH ESO ISS PBL24 START | 85.277 |
| HIERARCH ESO ISS PBL24 END | 84.677 |
| HIERARCH ESO ISS PBLA24 START | 90.623 |
| HIERARCH ESO ISS PBLA24 END | 91.314 |
| HIERARCH ESO ISS PBL34 START | 60.701 |
| HIERARCH ESO ISS PBL34 END | 60.419 |
| HIERARCH ESO ISS PBLA34 START | 121.022 |
| HIERARCH ESO ISS PBLA34 END | 121.869 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.006427 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006754 |
| HIERARCH ESO ISS AMBI TEMP | 16.05 |
| HIERARCH ESO ISS AMBI FWHM START | 0.57 |
| HIERARCH ESO ISS AMBI FWHM END | 0.55 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1000 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6541 |