Exposure
- ID
- GRAVI.2024-07-18T04:38:36.707_2
- Header ID
- GRAVI.2024-07-18T04:38:36.707
- Date updated
- 2024-07-18 08:50:34 UTC+0000
- Release date
- 2025-07-18 08:50:31 UTC+0000
- UTC Start
- 2024-07-18 04:38:36.707
- UTC End
- 2024-07-18 04:44:36.707
- MJD Start
- 60509.1934804
- MJD End
- 60509.1976470667
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.008866
- Ambient temperature (°C)
- 15.85
- Seeing (arcsec)
- 0.695
Observation
- ID
- 60139
- Category
- science
- Program ID
- 113.268P.004
- 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 | 54.0410 | 53.7900 | 36.3000 | 36.7000 |
| U1-U3 | 96.7190 | 96.1400 | 42.6000 | 43.0000 |
| U1-U4 | 117.6860 | 116.3430 | 72.2200 | 72.7970 |
| U2-U3 | 43.4140 | 43.0810 | 50.4000 | 50.9000 |
| U2-U4 | 80.4630 | 79.4810 | 95.4440 | 96.3010 |
| U3-U4 | 58.4770 | 58.0360 | 127.1120 | 128.2300 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 113.268P.004 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60509.1934804 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416896 |
| DEC | -29.00733 |
| 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 | 54.041 |
| HIERARCH ESO ISS PBL12 END | 53.79 |
| HIERARCH ESO ISS PBLA12 START | 36.3 |
| HIERARCH ESO ISS PBLA12 END | 36.7 |
| HIERARCH ESO ISS PBL13 START | 96.719 |
| HIERARCH ESO ISS PBL13 END | 96.14 |
| HIERARCH ESO ISS PBLA13 START | 42.6 |
| HIERARCH ESO ISS PBLA13 END | 43.0 |
| HIERARCH ESO ISS PBL14 START | 117.686 |
| HIERARCH ESO ISS PBL14 END | 116.343 |
| HIERARCH ESO ISS PBLA14 START | 72.22 |
| HIERARCH ESO ISS PBLA14 END | 72.797 |
| HIERARCH ESO ISS PBL23 START | 43.414 |
| HIERARCH ESO ISS PBL23 END | 43.081 |
| HIERARCH ESO ISS PBLA23 START | 50.4 |
| HIERARCH ESO ISS PBLA23 END | 50.9 |
| HIERARCH ESO ISS PBL24 START | 80.463 |
| HIERARCH ESO ISS PBL24 END | 79.481 |
| HIERARCH ESO ISS PBLA24 START | 95.444 |
| HIERARCH ESO ISS PBLA24 END | 96.301 |
| HIERARCH ESO ISS PBL34 START | 58.477 |
| HIERARCH ESO ISS PBL34 END | 58.036 |
| HIERARCH ESO ISS PBLA34 START | 127.112 |
| HIERARCH ESO ISS PBLA34 END | 128.23 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.008832 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.0089 |
| HIERARCH ESO ISS AMBI TEMP | 15.85 |
| HIERARCH ESO ISS AMBI FWHM START | 0.68 |
| HIERARCH ESO ISS AMBI FWHM END | 0.71 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1000 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6541 |