Exposure
- ID
- GRAVI.2024-06-23T06:21:51.687_2
- Header ID
- GRAVI.2024-06-23T06:21:51.687
- Date updated
- 2024-06-23 06:40:34 UTC+0000
- Release date
- 2025-06-23 06:40:34 UTC+0000
- UTC Start
- 2024-06-23 06:21:51.687
- UTC End
- 2024-06-23 06:27:51.687
- MJD Start
- 60484.26518156
- MJD End
- 60484.2693482267
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.002264
- Ambient temperature (°C)
- 10.24
- Seeing (arcsec)
- 0.545
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 | 53.8500 | 53.5890 | 36.6000 | 37.0000 |
| U1-U3 | 96.2770 | 95.6750 | 42.9000 | 43.3000 |
| U1-U4 | 116.6600 | 115.2650 | 72.6640 | 73.2350 |
| U2-U3 | 43.1600 | 42.8130 | 50.8000 | 51.2000 |
| U2-U4 | 79.7120 | 78.6960 | 96.1010 | 96.9680 |
| U3-U4 | 58.1390 | 57.6880 | 127.9690 | 129.1070 |
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 | 60484.26518156 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416842 |
| DEC | -29.00726 |
| 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 | 53.85 |
| HIERARCH ESO ISS PBL12 END | 53.589 |
| HIERARCH ESO ISS PBLA12 START | 36.6 |
| HIERARCH ESO ISS PBLA12 END | 37.0 |
| HIERARCH ESO ISS PBL13 START | 96.277 |
| HIERARCH ESO ISS PBL13 END | 95.675 |
| HIERARCH ESO ISS PBLA13 START | 42.9 |
| HIERARCH ESO ISS PBLA13 END | 43.3 |
| HIERARCH ESO ISS PBL14 START | 116.66 |
| HIERARCH ESO ISS PBL14 END | 115.265 |
| HIERARCH ESO ISS PBLA14 START | 72.664 |
| HIERARCH ESO ISS PBLA14 END | 73.235 |
| HIERARCH ESO ISS PBL23 START | 43.16 |
| HIERARCH ESO ISS PBL23 END | 42.813 |
| HIERARCH ESO ISS PBLA23 START | 50.8 |
| HIERARCH ESO ISS PBLA23 END | 51.2 |
| HIERARCH ESO ISS PBL24 START | 79.712 |
| HIERARCH ESO ISS PBL24 END | 78.696 |
| HIERARCH ESO ISS PBLA24 START | 96.101 |
| HIERARCH ESO ISS PBLA24 END | 96.968 |
| HIERARCH ESO ISS PBL34 START | 58.139 |
| HIERARCH ESO ISS PBL34 END | 57.688 |
| HIERARCH ESO ISS PBLA34 START | 127.969 |
| HIERARCH ESO ISS PBLA34 END | 129.107 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002264 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002264 |
| HIERARCH ESO ISS AMBI TEMP | 10.24 |
| HIERARCH ESO ISS AMBI FWHM START | 0.49 |
| HIERARCH ESO ISS AMBI FWHM END | 0.6 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1000 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6541 |